Home / 99,773.22-137,685.82-54,451.96

Finding the Fourth Proportional to 99,773.22, 137,685.82 and 54,451.96

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Solution

The fourth proportional to 99,773.22, 137,685.82 and 54,451.96 is: 75,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,773.22 : 137,685.82 = 54,451.96 : x
  2. Step 2: Convert to fraction form
    99,773.22/137,685.82 = 54,451.96/x
  3. Step 3: Cross multiply
    99,773.22x = 137,685.82 × 54,451.96
  4. Step 4: Simplify right side
    99,773.22x = 7,497,262,763.21
  5. Step 5: Solve for x
    x = 7,497,262,763.21/99,773.22
  6. Step 6: Final answer
    x = 75,143.04

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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.