Home / 87,508.60-131,279.82-60,604.54

Finding the Fourth Proportional to 87,508.60, 131,279.82 and 60,604.54

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Solution

The fourth proportional to 87,508.60, 131,279.82 and 60,604.54 is: 90,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,508.60 : 131,279.82 = 60,604.54 : x
  2. Step 2: Convert to fraction form
    87,508.60/131,279.82 = 60,604.54/x
  3. Step 3: Cross multiply
    87,508.60x = 131,279.82 × 60,604.54
  4. Step 4: Simplify right side
    87,508.60x = 7,956,153,102.38
  5. Step 5: Solve for x
    x = 7,956,153,102.38/87,508.60
  6. Step 6: Final answer
    x = 90,918.53

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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.