Home / 87,496.10-131,098.35-82,247.30

Finding the Fourth Proportional to 87,496.10, 131,098.35 and 82,247.30

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Solution

The fourth proportional to 87,496.10, 131,098.35 and 82,247.30 is: 123,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,496.10 : 131,098.35 = 82,247.30 : x
  2. Step 2: Convert to fraction form
    87,496.10/131,098.35 = 82,247.30/x
  3. Step 3: Cross multiply
    87,496.10x = 131,098.35 × 82,247.30
  4. Step 4: Simplify right side
    87,496.10x = 10,782,485,321.96
  5. Step 5: Solve for x
    x = 10,782,485,321.96/87,496.10
  6. Step 6: Final answer
    x = 123,233.90

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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.