Home / 87,475.16-131,211.87-40,076.80

Finding the Fourth Proportional to 87,475.16, 131,211.87 and 40,076.80

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Solution

The fourth proportional to 87,475.16, 131,211.87 and 40,076.80 is: 60,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,475.16 : 131,211.87 = 40,076.80 : x
  2. Step 2: Convert to fraction form
    87,475.16/131,211.87 = 40,076.80/x
  3. Step 3: Cross multiply
    87,475.16x = 131,211.87 × 40,076.80
  4. Step 4: Simplify right side
    87,475.16x = 5,258,551,871.62
  5. Step 5: Solve for x
    x = 5,258,551,871.62/87,475.16
  6. Step 6: Final answer
    x = 60,114.80

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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.