Home / 87,882.44-131,823.85-31,762.17

Finding the Fourth Proportional to 87,882.44, 131,823.85 and 31,762.17

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Solution

The fourth proportional to 87,882.44, 131,823.85 and 31,762.17 is: 47,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.44 : 131,823.85 = 31,762.17 : x
  2. Step 2: Convert to fraction form
    87,882.44/131,823.85 = 31,762.17/x
  3. Step 3: Cross multiply
    87,882.44x = 131,823.85 × 31,762.17
  4. Step 4: Simplify right side
    87,882.44x = 4,187,011,374.94
  5. Step 5: Solve for x
    x = 4,187,011,374.94/87,882.44
  6. Step 6: Final answer
    x = 47,643.32

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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.