Home / 54,082.20-74,684.52-51,137.04

Finding the Fourth Proportional to 54,082.20, 74,684.52 and 51,137.04

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Solution

The fourth proportional to 54,082.20, 74,684.52 and 51,137.04 is: 70,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082.20 : 74,684.52 = 51,137.04 : x
  2. Step 2: Convert to fraction form
    54,082.20/74,684.52 = 51,137.04/x
  3. Step 3: Cross multiply
    54,082.20x = 74,684.52 × 51,137.04
  4. Step 4: Simplify right side
    54,082.20x = 3,819,145,286.62
  5. Step 5: Solve for x
    x = 3,819,145,286.62/54,082.20
  6. Step 6: Final answer
    x = 70,617.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.