Home / 87,838.16-131,775.46-35,251.78

Finding the Fourth Proportional to 87,838.16, 131,775.46 and 35,251.78

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Solution

The fourth proportional to 87,838.16, 131,775.46 and 35,251.78 is: 52,884.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,838.16 : 131,775.46 = 35,251.78 : x
  2. Step 2: Convert to fraction form
    87,838.16/131,775.46 = 35,251.78/x
  3. Step 3: Cross multiply
    87,838.16x = 131,775.46 × 35,251.78
  4. Step 4: Simplify right side
    87,838.16x = 4,645,319,525.32
  5. Step 5: Solve for x
    x = 4,645,319,525.32/87,838.16
  6. Step 6: Final answer
    x = 52,884.98

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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.