Home / 99,910.44-137,874.24-54,587.16

Finding the Fourth Proportional to 99,910.44, 137,874.24 and 54,587.16

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Solution

The fourth proportional to 99,910.44, 137,874.24 and 54,587.16 is: 75,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,910.44 : 137,874.24 = 54,587.16 : x
  2. Step 2: Convert to fraction form
    99,910.44/137,874.24 = 54,587.16/x
  3. Step 3: Cross multiply
    99,910.44x = 137,874.24 × 54,587.16
  4. Step 4: Simplify right side
    99,910.44x = 7,526,163,198.76
  5. Step 5: Solve for x
    x = 7,526,163,198.76/99,910.44
  6. Step 6: Final answer
    x = 75,329.10

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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.