Home / 87,532.60-131,331.30-34,979.80

Finding the Fourth Proportional to 87,532.60, 131,331.30 and 34,979.80

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Solution

The fourth proportional to 87,532.60, 131,331.30 and 34,979.80 is: 52,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.60 : 131,331.30 = 34,979.80 : x
  2. Step 2: Convert to fraction form
    87,532.60/131,331.30 = 34,979.80/x
  3. Step 3: Cross multiply
    87,532.60x = 131,331.30 × 34,979.80
  4. Step 4: Simplify right side
    87,532.60x = 4,593,942,607.74
  5. Step 5: Solve for x
    x = 4,593,942,607.74/87,532.60
  6. Step 6: Final answer
    x = 52,482.65

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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.