Let one of those numbers be x.
Now,
according to question,
The other number must be,
3x-6
Now,
as said in the question,
x+3x-6 =62
4x -6 =62
4x = 68
x = 17.
Now,
we got one of those numbers which was x = 17,
and the other number should be 3(17)-6 = 51-6 = 45.