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Finding the Fourth Proportional to 59,487.56, 82,049.82 and 50,520.86

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Solution

The fourth proportional to 59,487.56, 82,049.82 and 50,520.86 is: 69,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,487.56 : 82,049.82 = 50,520.86 : x
  2. Step 2: Convert to fraction form
    59,487.56/82,049.82 = 50,520.86/x
  3. Step 3: Cross multiply
    59,487.56x = 82,049.82 × 50,520.86
  4. Step 4: Simplify right side
    59,487.56x = 4,145,227,469.25
  5. Step 5: Solve for x
    x = 4,145,227,469.25/59,487.56
  6. Step 6: Final answer
    x = 69,682.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.