Home / 54,785.20-82,254.60-34,049.20

Finding the Fourth Proportional to 54,785.20, 82,254.60 and 34,049.20

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Solution

The fourth proportional to 54,785.20, 82,254.60 and 34,049.20 is: 51,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.20 : 82,254.60 = 34,049.20 : x
  2. Step 2: Convert to fraction form
    54,785.20/82,254.60 = 34,049.20/x
  3. Step 3: Cross multiply
    54,785.20x = 82,254.60 × 34,049.20
  4. Step 4: Simplify right side
    54,785.20x = 2,800,703,326.32
  5. Step 5: Solve for x
    x = 2,800,703,326.32/54,785.20
  6. Step 6: Final answer
    x = 51,121.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.