Home / 87,957.37-132,112.53-52,487.88

Finding the Fourth Proportional to 87,957.37, 132,112.53 and 52,487.88

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Solution

The fourth proportional to 87,957.37, 132,112.53 and 52,487.88 is: 78,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,957.37 : 132,112.53 = 52,487.88 : x
  2. Step 2: Convert to fraction form
    87,957.37/132,112.53 = 52,487.88/x
  3. Step 3: Cross multiply
    87,957.37x = 132,112.53 × 52,487.88
  4. Step 4: Simplify right side
    87,957.37x = 6,934,305,960.57
  5. Step 5: Solve for x
    x = 6,934,305,960.57/87,957.37
  6. Step 6: Final answer
    x = 78,837.12

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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.