Home / 87,874.56-131,743.44-45,735.84

Finding the Fourth Proportional to 87,874.56, 131,743.44 and 45,735.84

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Solution

The fourth proportional to 87,874.56, 131,743.44 and 45,735.84 is: 68,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.56 : 131,743.44 = 45,735.84 : x
  2. Step 2: Convert to fraction form
    87,874.56/131,743.44 = 45,735.84/x
  3. Step 3: Cross multiply
    87,874.56x = 131,743.44 × 45,735.84
  4. Step 4: Simplify right side
    87,874.56x = 6,025,396,892.89
  5. Step 5: Solve for x
    x = 6,025,396,892.89/87,874.56
  6. Step 6: Final answer
    x = 68,568.16

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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.