Home / 87,956.87-132,111.78-52,487.38

Finding the Fourth Proportional to 87,956.87, 132,111.78 and 52,487.38

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Solution

The fourth proportional to 87,956.87, 132,111.78 and 52,487.38 is: 78,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,956.87 : 132,111.78 = 52,487.38 : x
  2. Step 2: Convert to fraction form
    87,956.87/132,111.78 = 52,487.38/x
  3. Step 3: Cross multiply
    87,956.87x = 132,111.78 × 52,487.38
  4. Step 4: Simplify right side
    87,956.87x = 6,934,200,538.78
  5. Step 5: Solve for x
    x = 6,934,200,538.78/87,956.87
  6. Step 6: Final answer
    x = 78,836.37

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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.