Home / 54,179.92-74,770.28-30,306.52

Finding the Fourth Proportional to 54,179.92, 74,770.28 and 30,306.52

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Solution

The fourth proportional to 54,179.92, 74,770.28 and 30,306.52 is: 41,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179.92 : 74,770.28 = 30,306.52 : x
  2. Step 2: Convert to fraction form
    54,179.92/74,770.28 = 30,306.52/x
  3. Step 3: Cross multiply
    54,179.92x = 74,770.28 × 30,306.52
  4. Step 4: Simplify right side
    54,179.92x = 2,266,026,986.23
  5. Step 5: Solve for x
    x = 2,266,026,986.23/54,179.92
  6. Step 6: Final answer
    x = 41,824.11

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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.