Home / 87,800.52-131,695.34-54,072.96

Finding the Fourth Proportional to 87,800.52, 131,695.34 and 54,072.96

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Solution

The fourth proportional to 87,800.52, 131,695.34 and 54,072.96 is: 81,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,800.52 : 131,695.34 = 54,072.96 : x
  2. Step 2: Convert to fraction form
    87,800.52/131,695.34 = 54,072.96/x
  3. Step 3: Cross multiply
    87,800.52x = 131,695.34 × 54,072.96
  4. Step 4: Simplify right side
    87,800.52x = 7,121,156,581.64
  5. Step 5: Solve for x
    x = 7,121,156,581.64/87,800.52
  6. Step 6: Final answer
    x = 81,106.09

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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.