Home / 54,382.55-81,558.04-22,791.78

Finding the Fourth Proportional to 54,382.55, 81,558.04 and 22,791.78

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Solution

The fourth proportional to 54,382.55, 81,558.04 and 22,791.78 is: 34,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,382.55 : 81,558.04 = 22,791.78 : x
  2. Step 2: Convert to fraction form
    54,382.55/81,558.04 = 22,791.78/x
  3. Step 3: Cross multiply
    54,382.55x = 81,558.04 × 22,791.78
  4. Step 4: Simplify right side
    54,382.55x = 1,858,852,790.95
  5. Step 5: Solve for x
    x = 1,858,852,790.95/54,382.55
  6. Step 6: Final answer
    x = 34,181.06

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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.