Home / 87,708.04-131,504.22-31,519.96

Finding the Fourth Proportional to 87,708.04, 131,504.22 and 31,519.96

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Solution

The fourth proportional to 87,708.04, 131,504.22 and 31,519.96 is: 47,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,708.04 : 131,504.22 = 31,519.96 : x
  2. Step 2: Convert to fraction form
    87,708.04/131,504.22 = 31,519.96/x
  3. Step 3: Cross multiply
    87,708.04x = 131,504.22 × 31,519.96
  4. Step 4: Simplify right side
    87,708.04x = 4,145,007,754.23
  5. Step 5: Solve for x
    x = 4,145,007,754.23/87,708.04
  6. Step 6: Final answer
    x = 47,259.15

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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.