Home / 87,810.60-131,715.90-52,732.20

Finding the Fourth Proportional to 87,810.60, 131,715.90 and 52,732.20

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Solution

The fourth proportional to 87,810.60, 131,715.90 and 52,732.20 is: 79,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,810.60 : 131,715.90 = 52,732.20 : x
  2. Step 2: Convert to fraction form
    87,810.60/131,715.90 = 52,732.20/x
  3. Step 3: Cross multiply
    87,810.60x = 131,715.90 × 52,732.20
  4. Step 4: Simplify right side
    87,810.60x = 6,945,669,181.98
  5. Step 5: Solve for x
    x = 6,945,669,181.98/87,810.60
  6. Step 6: Final answer
    x = 79,098.30

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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.