Home / 99,834.96-137,777.85-54,517.16

Finding the Fourth Proportional to 99,834.96, 137,777.85 and 54,517.16

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Solution

The fourth proportional to 99,834.96, 137,777.85 and 54,517.16 is: 75,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,834.96 : 137,777.85 = 54,517.16 : x
  2. Step 2: Convert to fraction form
    99,834.96/137,777.85 = 54,517.16/x
  3. Step 3: Cross multiply
    99,834.96x = 137,777.85 × 54,517.16
  4. Step 4: Simplify right side
    99,834.96x = 7,511,257,092.91
  5. Step 5: Solve for x
    x = 7,511,257,092.91/99,834.96
  6. Step 6: Final answer
    x = 75,236.74

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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.