Home / 95,198.61-131,387.20-54,911.49

Finding the Fourth Proportional to 95,198.61, 131,387.20 and 54,911.49

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Solution

The fourth proportional to 95,198.61, 131,387.20 and 54,911.49 is: 75,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,198.61 : 131,387.20 = 54,911.49 : x
  2. Step 2: Convert to fraction form
    95,198.61/131,387.20 = 54,911.49/x
  3. Step 3: Cross multiply
    95,198.61x = 131,387.20 × 54,911.49
  4. Step 4: Simplify right side
    95,198.61x = 7,214,666,288.95
  5. Step 5: Solve for x
    x = 7,214,666,288.95/95,198.61
  6. Step 6: Final answer
    x = 75,785.42

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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.