Home / 83,223.78-124,909.85-38,875.53

Finding the Fourth Proportional to 83,223.78, 124,909.85 and 38,875.53

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Solution

The fourth proportional to 83,223.78, 124,909.85 and 38,875.53 is: 58,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,223.78 : 124,909.85 = 38,875.53 : x
  2. Step 2: Convert to fraction form
    83,223.78/124,909.85 = 38,875.53/x
  3. Step 3: Cross multiply
    83,223.78x = 124,909.85 × 38,875.53
  4. Step 4: Simplify right side
    83,223.78x = 4,855,936,620.97
  5. Step 5: Solve for x
    x = 4,855,936,620.97/83,223.78
  6. Step 6: Final answer
    x = 58,347.95

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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.