Home / 86,500.73-129,736.13-39,104.80

Finding the Fourth Proportional to 86,500.73, 129,736.13 and 39,104.80

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Solution

The fourth proportional to 86,500.73, 129,736.13 and 39,104.80 is: 58,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.73 : 129,736.13 = 39,104.80 : x
  2. Step 2: Convert to fraction form
    86,500.73/129,736.13 = 39,104.80/x
  3. Step 3: Cross multiply
    86,500.73x = 129,736.13 × 39,104.80
  4. Step 4: Simplify right side
    86,500.73x = 5,073,304,572.22
  5. Step 5: Solve for x
    x = 5,073,304,572.22/86,500.73
  6. Step 6: Final answer
    x = 58,650.43

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1.5x scale

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.