Home / 87,425.70-131,106.42-31,250.65

Finding the Fourth Proportional to 87,425.70, 131,106.42 and 31,250.65

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Solution

The fourth proportional to 87,425.70, 131,106.42 and 31,250.65 is: 46,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,425.70 : 131,106.42 = 31,250.65 : x
  2. Step 2: Convert to fraction form
    87,425.70/131,106.42 = 31,250.65/x
  3. Step 3: Cross multiply
    87,425.70x = 131,106.42 × 31,250.65
  4. Step 4: Simplify right side
    87,425.70x = 4,097,160,844.17
  5. Step 5: Solve for x
    x = 4,097,160,844.17/87,425.70
  6. Step 6: Final answer
    x = 46,864.49

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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.