Home / 54,555.68-81,732.72-28,232.48

Finding the Fourth Proportional to 54,555.68, 81,732.72 and 28,232.48

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Solution

The fourth proportional to 54,555.68, 81,732.72 and 28,232.48 is: 42,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.68 : 81,732.72 = 28,232.48 : x
  2. Step 2: Convert to fraction form
    54,555.68/81,732.72 = 28,232.48/x
  3. Step 3: Cross multiply
    54,555.68x = 81,732.72 × 28,232.48
  4. Step 4: Simplify right side
    54,555.68x = 2,307,517,382.75
  5. Step 5: Solve for x
    x = 2,307,517,382.75/54,555.68
  6. Step 6: Final answer
    x = 42,296.56

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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.