Home / 83,502.30-125,294.61-39,121.38

Finding the Fourth Proportional to 83,502.30, 125,294.61 and 39,121.38

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Solution

The fourth proportional to 83,502.30, 125,294.61 and 39,121.38 is: 58,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,502.30 : 125,294.61 = 39,121.38 : x
  2. Step 2: Convert to fraction form
    83,502.30/125,294.61 = 39,121.38/x
  3. Step 3: Cross multiply
    83,502.30x = 125,294.61 × 39,121.38
  4. Step 4: Simplify right side
    83,502.30x = 4,901,698,049.76
  5. Step 5: Solve for x
    x = 4,901,698,049.76/83,502.30
  6. Step 6: Final answer
    x = 58,701.35

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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.