Home / 54,442.76-74,959.12-49,459.92

Finding the Fourth Proportional to 54,442.76, 74,959.12 and 49,459.92

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Solution

The fourth proportional to 54,442.76, 74,959.12 and 49,459.92 is: 68,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442.76 : 74,959.12 = 49,459.92 : x
  2. Step 2: Convert to fraction form
    54,442.76/74,959.12 = 49,459.92/x
  3. Step 3: Cross multiply
    54,442.76x = 74,959.12 × 49,459.92
  4. Step 4: Simplify right side
    54,442.76x = 3,707,472,078.47
  5. Step 5: Solve for x
    x = 3,707,472,078.47/54,442.76
  6. Step 6: Final answer
    x = 68,098.53

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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.