Home / 96,340.54-144,488.12-54,238.90

Finding the Fourth Proportional to 96,340.54, 144,488.12 and 54,238.90

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Solution

The fourth proportional to 96,340.54, 144,488.12 and 54,238.90 is: 81,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,340.54 : 144,488.12 = 54,238.90 : x
  2. Step 2: Convert to fraction form
    96,340.54/144,488.12 = 54,238.90/x
  3. Step 3: Cross multiply
    96,340.54x = 144,488.12 × 54,238.90
  4. Step 4: Simplify right side
    96,340.54x = 7,836,876,691.87
  5. Step 5: Solve for x
    x = 7,836,876,691.87/96,340.54
  6. Step 6: Final answer
    x = 81,345.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.