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Finding the Fourth Proportional to 63,872.96, 95,710.88 and 40,450.20

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Solution

The fourth proportional to 63,872.96, 95,710.88 and 40,450.20 is: 60,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,872.96 : 95,710.88 = 40,450.20 : x
  2. Step 2: Convert to fraction form
    63,872.96/95,710.88 = 40,450.20/x
  3. Step 3: Cross multiply
    63,872.96x = 95,710.88 × 40,450.20
  4. Step 4: Simplify right side
    63,872.96x = 3,871,524,238.18
  5. Step 5: Solve for x
    x = 3,871,524,238.18/63,872.96
  6. Step 6: Final answer
    x = 60,612.88

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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.