Home / 83,560.97-125,421.05-51,875.15

Finding the Fourth Proportional to 83,560.97, 125,421.05 and 51,875.15

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Solution

The fourth proportional to 83,560.97, 125,421.05 and 51,875.15 is: 77,862.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,560.97 : 125,421.05 = 51,875.15 : x
  2. Step 2: Convert to fraction form
    83,560.97/125,421.05 = 51,875.15/x
  3. Step 3: Cross multiply
    83,560.97x = 125,421.05 × 51,875.15
  4. Step 4: Simplify right side
    83,560.97x = 6,506,234,895.43
  5. Step 5: Solve for x
    x = 6,506,234,895.43/83,560.97
  6. Step 6: Final answer
    x = 77,862.13

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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.