Home / 95,163.85-131,322.63-54,879.31

Finding the Fourth Proportional to 95,163.85, 131,322.63 and 54,879.31

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Solution

The fourth proportional to 95,163.85, 131,322.63 and 54,879.31 is: 75,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,163.85 : 131,322.63 = 54,879.31 : x
  2. Step 2: Convert to fraction form
    95,163.85/131,322.63 = 54,879.31/x
  3. Step 3: Cross multiply
    95,163.85x = 131,322.63 × 54,879.31
  4. Step 4: Simplify right side
    95,163.85x = 7,206,895,321.79
  5. Step 5: Solve for x
    x = 7,206,895,321.79/95,163.85
  6. Step 6: Final answer
    x = 75,731.44

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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.