Home / 54,921.70-82,382.55-25,397.20

Finding the Fourth Proportional to 54,921.70, 82,382.55 and 25,397.20

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Solution

The fourth proportional to 54,921.70, 82,382.55 and 25,397.20 is: 38,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.70 : 82,382.55 = 25,397.20 : x
  2. Step 2: Convert to fraction form
    54,921.70/82,382.55 = 25,397.20/x
  3. Step 3: Cross multiply
    54,921.70x = 82,382.55 × 25,397.20
  4. Step 4: Simplify right side
    54,921.70x = 2,092,286,098.86
  5. Step 5: Solve for x
    x = 2,092,286,098.86/54,921.70
  6. Step 6: Final answer
    x = 38,095.80

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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.