Home / 99,432.62-137,217.60-54,110.96

Finding the Fourth Proportional to 99,432.62, 137,217.60 and 54,110.96

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Solution

The fourth proportional to 99,432.62, 137,217.60 and 54,110.96 is: 74,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,432.62 : 137,217.60 = 54,110.96 : x
  2. Step 2: Convert to fraction form
    99,432.62/137,217.60 = 54,110.96/x
  3. Step 3: Cross multiply
    99,432.62x = 137,217.60 × 54,110.96
  4. Step 4: Simplify right side
    99,432.62x = 7,424,976,064.90
  5. Step 5: Solve for x
    x = 7,424,976,064.90/99,432.62
  6. Step 6: Final answer
    x = 74,673.44

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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.