Home / 87,829.46-131,663.45-31,655.82

Finding the Fourth Proportional to 87,829.46, 131,663.45 and 31,655.82

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Solution

The fourth proportional to 87,829.46, 131,663.45 and 31,655.82 is: 47,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,829.46 : 131,663.45 = 31,655.82 : x
  2. Step 2: Convert to fraction form
    87,829.46/131,663.45 = 31,655.82/x
  3. Step 3: Cross multiply
    87,829.46x = 131,663.45 × 31,655.82
  4. Step 4: Simplify right side
    87,829.46x = 4,167,914,552.92
  5. Step 5: Solve for x
    x = 4,167,914,552.92/87,829.46
  6. Step 6: Final answer
    x = 47,454.63

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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.