Home / 95,169.60-131,398.20-85,065.66

Finding the Fourth Proportional to 95,169.60, 131,398.20 and 85,065.66

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Solution

The fourth proportional to 95,169.60, 131,398.20 and 85,065.66 is: 117,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,169.60 : 131,398.20 = 85,065.66 : x
  2. Step 2: Convert to fraction form
    95,169.60/131,398.20 = 85,065.66/x
  3. Step 3: Cross multiply
    95,169.60x = 131,398.20 × 85,065.66
  4. Step 4: Simplify right side
    95,169.60x = 11,177,474,605.81
  5. Step 5: Solve for x
    x = 11,177,474,605.81/95,169.60
  6. Step 6: Final answer
    x = 117,447.95

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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.