Home / 54,243.75-74,864.23-30,371.96

Finding the Fourth Proportional to 54,243.75, 74,864.23 and 30,371.96

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Solution

The fourth proportional to 54,243.75, 74,864.23 and 30,371.96 is: 41,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.75 : 74,864.23 = 30,371.96 : x
  2. Step 2: Convert to fraction form
    54,243.75/74,864.23 = 30,371.96/x
  3. Step 3: Cross multiply
    54,243.75x = 74,864.23 × 30,371.96
  4. Step 4: Simplify right side
    54,243.75x = 2,273,773,398.99
  5. Step 5: Solve for x
    x = 2,273,773,398.99/54,243.75
  6. Step 6: Final answer
    x = 41,917.70

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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.