Home / 54,854.20-82,274.84-15,414.64

Finding the Fourth Proportional to 54,854.20, 82,274.84 and 15,414.64

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Solution

The fourth proportional to 54,854.20, 82,274.84 and 15,414.64 is: 23,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,854.20 : 82,274.84 = 15,414.64 : x
  2. Step 2: Convert to fraction form
    54,854.20/82,274.84 = 15,414.64/x
  3. Step 3: Cross multiply
    54,854.20x = 82,274.84 × 15,414.64
  4. Step 4: Simplify right side
    54,854.20x = 1,268,237,039.66
  5. Step 5: Solve for x
    x = 1,268,237,039.66/54,854.20
  6. Step 6: Final answer
    x = 23,120.14

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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.