Home / 71,144.26-106,613.82-54,204.53

Finding the Fourth Proportional to 71,144.26, 106,613.82 and 54,204.53

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Solution

The fourth proportional to 71,144.26, 106,613.82 and 54,204.53 is: 81,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,144.26 : 106,613.82 = 54,204.53 : x
  2. Step 2: Convert to fraction form
    71,144.26/106,613.82 = 54,204.53/x
  3. Step 3: Cross multiply
    71,144.26x = 106,613.82 × 54,204.53
  4. Step 4: Simplify right side
    71,144.26x = 5,778,951,471.54
  5. Step 5: Solve for x
    x = 5,778,951,471.54/71,144.26
  6. Step 6: Final answer
    x = 81,228.64

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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.