$102k/year = DKK 759288/year = DKK 63274/month.
Typing 63274 into https://hvormegetefterskat.dk (howmuchaftertax) says 40.2% tax rate.
The you have to factor in $0 in health costs (gratis hospital and doctor visits), no payments for kids attending university, 32 weeks of paid maternal leave, and 5 weeks of mandatory holiday each year.