Home / 54,275.34-81,418.17-16,835.82

Finding the Fourth Proportional to 54,275.34, 81,418.17 and 16,835.82

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Solution

The fourth proportional to 54,275.34, 81,418.17 and 16,835.82 is: 25,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,275.34 : 81,418.17 = 16,835.82 : x
  2. Step 2: Convert to fraction form
    54,275.34/81,418.17 = 16,835.82/x
  3. Step 3: Cross multiply
    54,275.34x = 81,418.17 × 16,835.82
  4. Step 4: Simplify right side
    54,275.34x = 1,370,741,654.85
  5. Step 5: Solve for x
    x = 1,370,741,654.85/54,275.34
  6. Step 6: Final answer
    x = 25,255.33

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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.