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Finding the Fourth Proportional to 71,471.74, 98,566.46 and 44,616.73

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Solution

The fourth proportional to 71,471.74, 98,566.46 and 44,616.73 is: 61,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,471.74 : 98,566.46 = 44,616.73 : x
  2. Step 2: Convert to fraction form
    71,471.74/98,566.46 = 44,616.73/x
  3. Step 3: Cross multiply
    71,471.74x = 98,566.46 × 44,616.73
  4. Step 4: Simplify right side
    71,471.74x = 4,397,713,132.88
  5. Step 5: Solve for x
    x = 4,397,713,132.88/71,471.74
  6. Step 6: Final answer
    x = 61,530.80

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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.