Home / 87,474.66-131,211.12-40,076.30

Finding the Fourth Proportional to 87,474.66, 131,211.12 and 40,076.30

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Solution

The fourth proportional to 87,474.66, 131,211.12 and 40,076.30 is: 60,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,474.66 : 131,211.12 = 40,076.30 : x
  2. Step 2: Convert to fraction form
    87,474.66/131,211.12 = 40,076.30/x
  3. Step 3: Cross multiply
    87,474.66x = 131,211.12 × 40,076.30
  4. Step 4: Simplify right side
    87,474.66x = 5,258,456,208.46
  5. Step 5: Solve for x
    x = 5,258,456,208.46/87,474.66
  6. Step 6: Final answer
    x = 60,114.05

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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.