Home / 86,650.28-129,862.18-62,715.17

Finding the Fourth Proportional to 86,650.28, 129,862.18 and 62,715.17

Calculator

Solution

The fourth proportional to 86,650.28, 129,862.18 and 62,715.17 is: 93,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,650.28 : 129,862.18 = 62,715.17 : x
  2. Step 2: Convert to fraction form
    86,650.28/129,862.18 = 62,715.17/x
  3. Step 3: Cross multiply
    86,650.28x = 129,862.18 × 62,715.17
  4. Step 4: Simplify right side
    86,650.28x = 8,144,328,381.69
  5. Step 5: Solve for x
    x = 8,144,328,381.69/86,650.28
  6. Step 6: Final answer
    x = 93,990.80

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.