Home / 87,481.75-131,242.07-32,077.75

Finding the Fourth Proportional to 87,481.75, 131,242.07 and 32,077.75

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Solution

The fourth proportional to 87,481.75, 131,242.07 and 32,077.75 is: 48,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,481.75 : 131,242.07 = 32,077.75 : x
  2. Step 2: Convert to fraction form
    87,481.75/131,242.07 = 32,077.75/x
  3. Step 3: Cross multiply
    87,481.75x = 131,242.07 × 32,077.75
  4. Step 4: Simplify right side
    87,481.75x = 4,209,950,310.94
  5. Step 5: Solve for x
    x = 4,209,950,310.94/87,481.75
  6. Step 6: Final answer
    x = 48,123.76

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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.