Home / 87,569.29-131,370.34-28,397.26

Finding the Fourth Proportional to 87,569.29, 131,370.34 and 28,397.26

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Solution

The fourth proportional to 87,569.29, 131,370.34 and 28,397.26 is: 42,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.29 : 131,370.34 = 28,397.26 : x
  2. Step 2: Convert to fraction form
    87,569.29/131,370.34 = 28,397.26/x
  3. Step 3: Cross multiply
    87,569.29x = 131,370.34 × 28,397.26
  4. Step 4: Simplify right side
    87,569.29x = 3,730,557,701.27
  5. Step 5: Solve for x
    x = 3,730,557,701.27/87,569.29
  6. Step 6: Final answer
    x = 42,601.21

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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.