Home / 87,663.76-131,517.72-25,333.84

Finding the Fourth Proportional to 87,663.76, 131,517.72 and 25,333.84

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Solution

The fourth proportional to 87,663.76, 131,517.72 and 25,333.84 is: 38,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,663.76 : 131,517.72 = 25,333.84 : x
  2. Step 2: Convert to fraction form
    87,663.76/131,517.72 = 25,333.84/x
  3. Step 3: Cross multiply
    87,663.76x = 131,517.72 × 25,333.84
  4. Step 4: Simplify right side
    87,663.76x = 3,331,848,875.64
  5. Step 5: Solve for x
    x = 3,331,848,875.64/87,663.76
  6. Step 6: Final answer
    x = 38,007.14

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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.