Home / 54,987.32-82,470.45-23,414.78

Finding the Fourth Proportional to 54,987.32, 82,470.45 and 23,414.78

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Solution

The fourth proportional to 54,987.32, 82,470.45 and 23,414.78 is: 35,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.32 : 82,470.45 = 23,414.78 : x
  2. Step 2: Convert to fraction form
    54,987.32/82,470.45 = 23,414.78/x
  3. Step 3: Cross multiply
    54,987.32x = 82,470.45 × 23,414.78
  4. Step 4: Simplify right side
    54,987.32x = 1,931,027,443.25
  5. Step 5: Solve for x
    x = 1,931,027,443.25/54,987.32
  6. Step 6: Final answer
    x = 35,117.69

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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.