Home / 87,441.88-120,654.75-49,196.11

Finding the Fourth Proportional to 87,441.88, 120,654.75 and 49,196.11

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Solution

The fourth proportional to 87,441.88, 120,654.75 and 49,196.11 is: 67,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,441.88 : 120,654.75 = 49,196.11 : x
  2. Step 2: Convert to fraction form
    87,441.88/120,654.75 = 49,196.11/x
  3. Step 3: Cross multiply
    87,441.88x = 120,654.75 × 49,196.11
  4. Step 4: Simplify right side
    87,441.88x = 5,935,744,353.02
  5. Step 5: Solve for x
    x = 5,935,744,353.02/87,441.88
  6. Step 6: Final answer
    x = 67,882.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.