Home / 87,481.82-131,223.36-37,519.76

Finding the Fourth Proportional to 87,481.82, 131,223.36 and 37,519.76

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Solution

The fourth proportional to 87,481.82, 131,223.36 and 37,519.76 is: 56,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,481.82 : 131,223.36 = 37,519.76 : x
  2. Step 2: Convert to fraction form
    87,481.82/131,223.36 = 37,519.76/x
  3. Step 3: Cross multiply
    87,481.82x = 131,223.36 × 37,519.76
  4. Step 4: Simplify right side
    87,481.82x = 4,923,468,973.59
  5. Step 5: Solve for x
    x = 4,923,468,973.59/87,481.82
  6. Step 6: Final answer
    x = 56,279.91

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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.