Home / 71,660.89-107,504.27-29,517.97

Finding the Fourth Proportional to 71,660.89, 107,504.27 and 29,517.97

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Solution

The fourth proportional to 71,660.89, 107,504.27 and 29,517.97 is: 44,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,660.89 : 107,504.27 = 29,517.97 : x
  2. Step 2: Convert to fraction form
    71,660.89/107,504.27 = 29,517.97/x
  3. Step 3: Cross multiply
    71,660.89x = 107,504.27 × 29,517.97
  4. Step 4: Simplify right side
    71,660.89x = 3,173,307,816.73
  5. Step 5: Solve for x
    x = 3,173,307,816.73/71,660.89
  6. Step 6: Final answer
    x = 44,282.28

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1.5x scale

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.