Home / 81,726.24-122,596.42-22,561.92

Finding the Fourth Proportional to 81,726.24, 122,596.42 and 22,561.92

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Solution

The fourth proportional to 81,726.24, 122,596.42 and 22,561.92 is: 33,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,726.24 : 122,596.42 = 22,561.92 : x
  2. Step 2: Convert to fraction form
    81,726.24/122,596.42 = 22,561.92/x
  3. Step 3: Cross multiply
    81,726.24x = 122,596.42 × 22,561.92
  4. Step 4: Simplify right side
    81,726.24x = 2,766,010,620.33
  5. Step 5: Solve for x
    x = 2,766,010,620.33/81,726.24
  6. Step 6: Final answer
    x = 33,844.83

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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.