Home / 87,372.96-131,092.38-52,337.76

Finding the Fourth Proportional to 87,372.96, 131,092.38 and 52,337.76

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Solution

The fourth proportional to 87,372.96, 131,092.38 and 52,337.76 is: 78,526.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372.96 : 131,092.38 = 52,337.76 : x
  2. Step 2: Convert to fraction form
    87,372.96/131,092.38 = 52,337.76/x
  3. Step 3: Cross multiply
    87,372.96x = 131,092.38 × 52,337.76
  4. Step 4: Simplify right side
    87,372.96x = 6,861,081,522.27
  5. Step 5: Solve for x
    x = 6,861,081,522.27/87,372.96
  6. Step 6: Final answer
    x = 78,526.37

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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.