Home / 87,520.66-131,331.88-36,916.54

Finding the Fourth Proportional to 87,520.66, 131,331.88 and 36,916.54

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Solution

The fourth proportional to 87,520.66, 131,331.88 and 36,916.54 is: 55,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,520.66 : 131,331.88 = 36,916.54 : x
  2. Step 2: Convert to fraction form
    87,520.66/131,331.88 = 36,916.54/x
  3. Step 3: Cross multiply
    87,520.66x = 131,331.88 × 36,916.54
  4. Step 4: Simplify right side
    87,520.66x = 4,848,318,601.30
  5. Step 5: Solve for x
    x = 4,848,318,601.30/87,520.66
  6. Step 6: Final answer
    x = 55,396.28

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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.