If $k_1>k_2$ are the two values of $\mathrm{k}$ such that the lines $y-3 k x+4=0$ and $(2 k-1) x-(8 k-1) \mathrm{y}-6=0$ are perpendicular, then the equation of the line passing through $\left(k_1, k_2\right)$ and having the slope $\left(\frac{k_2}{k_1}\right)$ is