Home / 54,290.52-81,431.94-16,849.68

Finding the Fourth Proportional to 54,290.52, 81,431.94 and 16,849.68

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Solution

The fourth proportional to 54,290.52, 81,431.94 and 16,849.68 is: 25,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.52 : 81,431.94 = 16,849.68 : x
  2. Step 2: Convert to fraction form
    54,290.52/81,431.94 = 16,849.68/x
  3. Step 3: Cross multiply
    54,290.52x = 81,431.94 × 16,849.68
  4. Step 4: Simplify right side
    54,290.52x = 1,372,102,130.78
  5. Step 5: Solve for x
    x = 1,372,102,130.78/54,290.52
  6. Step 6: Final answer
    x = 25,273.33

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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.