Home / 96,929.28-133,747.92-54,479.61

Finding the Fourth Proportional to 96,929.28, 133,747.92 and 54,479.61

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Solution

The fourth proportional to 96,929.28, 133,747.92 and 54,479.61 is: 75,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,929.28 : 133,747.92 = 54,479.61 : x
  2. Step 2: Convert to fraction form
    96,929.28/133,747.92 = 54,479.61/x
  3. Step 3: Cross multiply
    96,929.28x = 133,747.92 × 54,479.61
  4. Step 4: Simplify right side
    96,929.28x = 7,286,534,519.91
  5. Step 5: Solve for x
    x = 7,286,534,519.91/96,929.28
  6. Step 6: Final answer
    x = 75,173.72

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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.