Home / 54,020.25-74,514.87-35,871.80

Finding the Fourth Proportional to 54,020.25, 74,514.87 and 35,871.80

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Solution

The fourth proportional to 54,020.25, 74,514.87 and 35,871.80 is: 49,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,020.25 : 74,514.87 = 35,871.80 : x
  2. Step 2: Convert to fraction form
    54,020.25/74,514.87 = 35,871.80/x
  3. Step 3: Cross multiply
    54,020.25x = 74,514.87 × 35,871.80
  4. Step 4: Simplify right side
    54,020.25x = 2,672,982,141.09
  5. Step 5: Solve for x
    x = 2,672,982,141.09/54,020.25
  6. Step 6: Final answer
    x = 49,481.11

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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.