Home / 83,354.40-125,042.49-27,174.78

Finding the Fourth Proportional to 83,354.40, 125,042.49 and 27,174.78

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Solution

The fourth proportional to 83,354.40, 125,042.49 and 27,174.78 is: 40,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,354.40 : 125,042.49 = 27,174.78 : x
  2. Step 2: Convert to fraction form
    83,354.40/125,042.49 = 27,174.78/x
  3. Step 3: Cross multiply
    83,354.40x = 125,042.49 × 27,174.78
  4. Step 4: Simplify right side
    83,354.40x = 3,398,002,156.40
  5. Step 5: Solve for x
    x = 3,398,002,156.40/83,354.40
  6. Step 6: Final answer
    x = 40,765.72

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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.