Home / 87,850.92-131,611.26-43,425.96

Finding the Fourth Proportional to 87,850.92, 131,611.26 and 43,425.96

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Solution

The fourth proportional to 87,850.92, 131,611.26 and 43,425.96 is: 65,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.92 : 131,611.26 = 43,425.96 : x
  2. Step 2: Convert to fraction form
    87,850.92/131,611.26 = 43,425.96/x
  3. Step 3: Cross multiply
    87,850.92x = 131,611.26 × 43,425.96
  4. Step 4: Simplify right side
    87,850.92x = 5,715,345,312.31
  5. Step 5: Solve for x
    x = 5,715,345,312.31/87,850.92
  6. Step 6: Final answer
    x = 65,057.32

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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.