Home / 87,592.41-131,383.76-77,843.25

Finding the Fourth Proportional to 87,592.41, 131,383.76 and 77,843.25

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Solution

The fourth proportional to 87,592.41, 131,383.76 and 77,843.25 is: 116,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.41 : 131,383.76 = 77,843.25 : x
  2. Step 2: Convert to fraction form
    87,592.41/131,383.76 = 77,843.25/x
  3. Step 3: Cross multiply
    87,592.41x = 131,383.76 × 77,843.25
  4. Step 4: Simplify right side
    87,592.41x = 10,227,338,486.40
  5. Step 5: Solve for x
    x = 10,227,338,486.40/87,592.41
  6. Step 6: Final answer
    x = 116,760.56

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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.