Home / 81,063.22-121,613.55-25,659.22

Finding the Fourth Proportional to 81,063.22, 121,613.55 and 25,659.22

Calculator

Solution

The fourth proportional to 81,063.22, 121,613.55 and 25,659.22 is: 38,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,063.22 : 121,613.55 = 25,659.22 : x
  2. Step 2: Convert to fraction form
    81,063.22/121,613.55 = 25,659.22/x
  3. Step 3: Cross multiply
    81,063.22x = 121,613.55 × 25,659.22
  4. Step 4: Simplify right side
    81,063.22x = 3,120,508,834.43
  5. Step 5: Solve for x
    x = 3,120,508,834.43/81,063.22
  6. Step 6: Final answer
    x = 38,494.76

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.