Home / 99,394.26-137,115.78-59,079.42

Finding the Fourth Proportional to 99,394.26, 137,115.78 and 59,079.42

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Solution

The fourth proportional to 99,394.26, 137,115.78 and 59,079.42 is: 81,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,394.26 : 137,115.78 = 59,079.42 : x
  2. Step 2: Convert to fraction form
    99,394.26/137,115.78 = 59,079.42/x
  3. Step 3: Cross multiply
    99,394.26x = 137,115.78 × 59,079.42
  4. Step 4: Simplify right side
    99,394.26x = 8,100,720,755.25
  5. Step 5: Solve for x
    x = 8,100,720,755.25/99,394.26
  6. Step 6: Final answer
    x = 81,500.89

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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.