Home / 87,480.38-131,240.00-32,076.38

Finding the Fourth Proportional to 87,480.38, 131,240.00 and 32,076.38

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Solution

The fourth proportional to 87,480.38, 131,240.00 and 32,076.38 is: 48,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480.38 : 131,240.00 = 32,076.38 : x
  2. Step 2: Convert to fraction form
    87,480.38/131,240.00 = 32,076.38/x
  3. Step 3: Cross multiply
    87,480.38x = 131,240.00 × 32,076.38
  4. Step 4: Simplify right side
    87,480.38x = 4,209,703,535.19
  5. Step 5: Solve for x
    x = 4,209,703,535.19/87,480.38
  6. Step 6: Final answer
    x = 48,121.69

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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.