Home / 81,590.26-122,382.82-22,425.42

Finding the Fourth Proportional to 81,590.26, 122,382.82 and 22,425.42

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Solution

The fourth proportional to 81,590.26, 122,382.82 and 22,425.42 is: 33,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,590.26 : 122,382.82 = 22,425.42 : x
  2. Step 2: Convert to fraction form
    81,590.26/122,382.82 = 22,425.42/x
  3. Step 3: Cross multiply
    81,590.26x = 122,382.82 × 22,425.42
  4. Step 4: Simplify right side
    81,590.26x = 2,744,485,708.38
  5. Step 5: Solve for x
    x = 2,744,485,708.38/81,590.26
  6. Step 6: Final answer
    x = 33,637.42

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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.