Home / 54,291.38-81,433.22-16,850.56

Finding the Fourth Proportional to 54,291.38, 81,433.22 and 16,850.56

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Solution

The fourth proportional to 54,291.38, 81,433.22 and 16,850.56 is: 25,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291.38 : 81,433.22 = 16,850.56 : x
  2. Step 2: Convert to fraction form
    54,291.38/81,433.22 = 16,850.56/x
  3. Step 3: Cross multiply
    54,291.38x = 81,433.22 × 16,850.56
  4. Step 4: Simplify right side
    54,291.38x = 1,372,194,868.18
  5. Step 5: Solve for x
    x = 1,372,194,868.18/54,291.38
  6. Step 6: Final answer
    x = 25,274.64

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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.