Home / 54,642.77-81,836.57-42,062.97

Finding the Fourth Proportional to 54,642.77, 81,836.57 and 42,062.97

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Solution

The fourth proportional to 54,642.77, 81,836.57 and 42,062.97 is: 62,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.77 : 81,836.57 = 42,062.97 : x
  2. Step 2: Convert to fraction form
    54,642.77/81,836.57 = 42,062.97/x
  3. Step 3: Cross multiply
    54,642.77x = 81,836.57 × 42,062.97
  4. Step 4: Simplify right side
    54,642.77x = 3,442,289,293.97
  5. Step 5: Solve for x
    x = 3,442,289,293.97/54,642.77
  6. Step 6: Final answer
    x = 62,996.25

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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.