Home / 87,425.52-131,196.60-45,344.40

Finding the Fourth Proportional to 87,425.52, 131,196.60 and 45,344.40

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Solution

The fourth proportional to 87,425.52, 131,196.60 and 45,344.40 is: 68,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,425.52 : 131,196.60 = 45,344.40 : x
  2. Step 2: Convert to fraction form
    87,425.52/131,196.60 = 45,344.40/x
  3. Step 3: Cross multiply
    87,425.52x = 131,196.60 × 45,344.40
  4. Step 4: Simplify right side
    87,425.52x = 5,949,031,109.04
  5. Step 5: Solve for x
    x = 5,949,031,109.04/87,425.52
  6. Step 6: Final answer
    x = 68,046.85

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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.