Home / 87,882.03-131,744.10-31,708.93

Finding the Fourth Proportional to 87,882.03, 131,744.10 and 31,708.93

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Solution

The fourth proportional to 87,882.03, 131,744.10 and 31,708.93 is: 47,534.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.03 : 131,744.10 = 31,708.93 : x
  2. Step 2: Convert to fraction form
    87,882.03/131,744.10 = 31,708.93/x
  3. Step 3: Cross multiply
    87,882.03x = 131,744.10 × 31,708.93
  4. Step 4: Simplify right side
    87,882.03x = 4,177,464,444.81
  5. Step 5: Solve for x
    x = 4,177,464,444.81/87,882.03
  6. Step 6: Final answer
    x = 47,534.91

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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.