Home / 87,452.34-131,182.62-28,292.64

Finding the Fourth Proportional to 87,452.34, 131,182.62 and 28,292.64

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Solution

The fourth proportional to 87,452.34, 131,182.62 and 28,292.64 is: 42,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452.34 : 131,182.62 = 28,292.64 : x
  2. Step 2: Convert to fraction form
    87,452.34/131,182.62 = 28,292.64/x
  3. Step 3: Cross multiply
    87,452.34x = 131,182.62 × 28,292.64
  4. Step 4: Simplify right side
    87,452.34x = 3,711,502,641.92
  5. Step 5: Solve for x
    x = 3,711,502,641.92/87,452.34
  6. Step 6: Final answer
    x = 42,440.29

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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.