Home / 87,863.16-131,819.04-28,702.38

Finding the Fourth Proportional to 87,863.16, 131,819.04 and 28,702.38

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Solution

The fourth proportional to 87,863.16, 131,819.04 and 28,702.38 is: 43,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.16 : 131,819.04 = 28,702.38 : x
  2. Step 2: Convert to fraction form
    87,863.16/131,819.04 = 28,702.38/x
  3. Step 3: Cross multiply
    87,863.16x = 131,819.04 × 28,702.38
  4. Step 4: Simplify right side
    87,863.16x = 3,783,520,177.32
  5. Step 5: Solve for x
    x = 3,783,520,177.32/87,863.16
  6. Step 6: Final answer
    x = 43,061.51

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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.