Home / 54,231.38-81,314.66-22,603.31

Finding the Fourth Proportional to 54,231.38, 81,314.66 and 22,603.31

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Solution

The fourth proportional to 54,231.38, 81,314.66 and 22,603.31 is: 33,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.38 : 81,314.66 = 22,603.31 : x
  2. Step 2: Convert to fraction form
    54,231.38/81,314.66 = 22,603.31/x
  3. Step 3: Cross multiply
    54,231.38x = 81,314.66 × 22,603.31
  4. Step 4: Simplify right side
    54,231.38x = 1,837,980,117.46
  5. Step 5: Solve for x
    x = 1,837,980,117.46/54,231.38
  6. Step 6: Final answer
    x = 33,891.45

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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.