Home / 54,077.76-74,542.56-49,732.88

Finding the Fourth Proportional to 54,077.76, 74,542.56 and 49,732.88

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Solution

The fourth proportional to 54,077.76, 74,542.56 and 49,732.88 is: 68,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,077.76 : 74,542.56 = 49,732.88 : x
  2. Step 2: Convert to fraction form
    54,077.76/74,542.56 = 49,732.88/x
  3. Step 3: Cross multiply
    54,077.76x = 74,542.56 × 49,732.88
  4. Step 4: Simplify right side
    54,077.76x = 3,707,216,191.37
  5. Step 5: Solve for x
    x = 3,707,216,191.37/54,077.76
  6. Step 6: Final answer
    x = 68,553.43

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1.5x scale

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.