Home / 54,113.92-74,680.16-30,240.64

Finding the Fourth Proportional to 54,113.92, 74,680.16 and 30,240.64

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Solution

The fourth proportional to 54,113.92, 74,680.16 and 30,240.64 is: 41,733.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.92 : 74,680.16 = 30,240.64 : x
  2. Step 2: Convert to fraction form
    54,113.92/74,680.16 = 30,240.64/x
  3. Step 3: Cross multiply
    54,113.92x = 74,680.16 × 30,240.64
  4. Step 4: Simplify right side
    54,113.92x = 2,258,375,833.70
  5. Step 5: Solve for x
    x = 2,258,375,833.70/54,113.92
  6. Step 6: Final answer
    x = 41,733.73

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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.