Home / 54,925.20-82,387.80-25,400.70

Finding the Fourth Proportional to 54,925.20, 82,387.80 and 25,400.70

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Solution

The fourth proportional to 54,925.20, 82,387.80 and 25,400.70 is: 38,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,925.20 : 82,387.80 = 25,400.70 : x
  2. Step 2: Convert to fraction form
    54,925.20/82,387.80 = 25,400.70/x
  3. Step 3: Cross multiply
    54,925.20x = 82,387.80 × 25,400.70
  4. Step 4: Simplify right side
    54,925.20x = 2,092,707,791.46
  5. Step 5: Solve for x
    x = 2,092,707,791.46/54,925.20
  6. Step 6: Final answer
    x = 38,101.05

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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.