Home / 95,070.56-131,179.92-54,778.64

Finding the Fourth Proportional to 95,070.56, 131,179.92 and 54,778.64

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Solution

The fourth proportional to 95,070.56, 131,179.92 and 54,778.64 is: 75,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,070.56 : 131,179.92 = 54,778.64 : x
  2. Step 2: Convert to fraction form
    95,070.56/131,179.92 = 54,778.64/x
  3. Step 3: Cross multiply
    95,070.56x = 131,179.92 × 54,778.64
  4. Step 4: Simplify right side
    95,070.56x = 7,185,857,612.91
  5. Step 5: Solve for x
    x = 7,185,857,612.91/95,070.56
  6. Step 6: Final answer
    x = 75,584.47

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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.