Home / 95,691.16-131,916.92-67,308.76

Finding the Fourth Proportional to 95,691.16, 131,916.92 and 67,308.76

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Solution

The fourth proportional to 95,691.16, 131,916.92 and 67,308.76 is: 92,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,691.16 : 131,916.92 = 67,308.76 : x
  2. Step 2: Convert to fraction form
    95,691.16/131,916.92 = 67,308.76/x
  3. Step 3: Cross multiply
    95,691.16x = 131,916.92 × 67,308.76
  4. Step 4: Simplify right side
    95,691.16x = 8,879,163,971.68
  5. Step 5: Solve for x
    x = 8,879,163,971.68/95,691.16
  6. Step 6: Final answer
    x = 92,789.80

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1.5x scale

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.