Home / 87,491.85-131,027.53-49,938.06

Finding the Fourth Proportional to 87,491.85, 131,027.53 and 49,938.06

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Solution

The fourth proportional to 87,491.85, 131,027.53 and 49,938.06 is: 74,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,491.85 : 131,027.53 = 49,938.06 : x
  2. Step 2: Convert to fraction form
    87,491.85/131,027.53 = 49,938.06/x
  3. Step 3: Cross multiply
    87,491.85x = 131,027.53 × 49,938.06
  4. Step 4: Simplify right side
    87,491.85x = 6,543,260,654.79
  5. Step 5: Solve for x
    x = 6,543,260,654.79/87,491.85
  6. Step 6: Final answer
    x = 74,787.09

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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.