Home / 87,375.25-131,029.57-31,204.87

Finding the Fourth Proportional to 87,375.25, 131,029.57 and 31,204.87

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Solution

The fourth proportional to 87,375.25, 131,029.57 and 31,204.87 is: 46,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,375.25 : 131,029.57 = 31,204.87 : x
  2. Step 2: Convert to fraction form
    87,375.25/131,029.57 = 31,204.87/x
  3. Step 3: Cross multiply
    87,375.25x = 131,029.57 × 31,204.87
  4. Step 4: Simplify right side
    87,375.25x = 4,088,760,698.01
  5. Step 5: Solve for x
    x = 4,088,760,698.01/87,375.25
  6. Step 6: Final answer
    x = 46,795.41

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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.