Home / 87,862.32-131,809.68-35,270.64

Finding the Fourth Proportional to 87,862.32, 131,809.68 and 35,270.64

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Solution

The fourth proportional to 87,862.32, 131,809.68 and 35,270.64 is: 52,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,862.32 : 131,809.68 = 35,270.64 : x
  2. Step 2: Convert to fraction form
    87,862.32/131,809.68 = 35,270.64/x
  3. Step 3: Cross multiply
    87,862.32x = 131,809.68 × 35,270.64
  4. Step 4: Simplify right side
    87,862.32x = 4,649,011,771.80
  5. Step 5: Solve for x
    x = 4,649,011,771.80/87,862.32
  6. Step 6: Final answer
    x = 52,912.46

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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.