Home / 54,235.81-74,843.19-30,361.97

Finding the Fourth Proportional to 54,235.81, 74,843.19 and 30,361.97

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Solution

The fourth proportional to 54,235.81, 74,843.19 and 30,361.97 is: 41,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.81 : 74,843.19 = 30,361.97 : x
  2. Step 2: Convert to fraction form
    54,235.81/74,843.19 = 30,361.97/x
  3. Step 3: Cross multiply
    54,235.81x = 74,843.19 × 30,361.97
  4. Step 4: Simplify right side
    54,235.81x = 2,272,386,876.59
  5. Step 5: Solve for x
    x = 2,272,386,876.59/54,235.81
  6. Step 6: Final answer
    x = 41,898.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.