Home / 95,456.24-131,721.91-55,172.61

Finding the Fourth Proportional to 95,456.24, 131,721.91 and 55,172.61

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Solution

The fourth proportional to 95,456.24, 131,721.91 and 55,172.61 is: 76,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,456.24 : 131,721.91 = 55,172.61 : x
  2. Step 2: Convert to fraction form
    95,456.24/131,721.91 = 55,172.61/x
  3. Step 3: Cross multiply
    95,456.24x = 131,721.91 × 55,172.61
  4. Step 4: Simplify right side
    95,456.24x = 7,267,441,924.91
  5. Step 5: Solve for x
    x = 7,267,441,924.91/95,456.24
  6. Step 6: Final answer
    x = 76,133.75

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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.