Home / 95,218.72-131,396.78-54,930.12

Finding the Fourth Proportional to 95,218.72, 131,396.78 and 54,930.12

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Solution

The fourth proportional to 95,218.72, 131,396.78 and 54,930.12 is: 75,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,218.72 : 131,396.78 = 54,930.12 : x
  2. Step 2: Convert to fraction form
    95,218.72/131,396.78 = 54,930.12/x
  3. Step 3: Cross multiply
    95,218.72x = 131,396.78 × 54,930.12
  4. Step 4: Simplify right side
    95,218.72x = 7,217,640,893.01
  5. Step 5: Solve for x
    x = 7,217,640,893.01/95,218.72
  6. Step 6: Final answer
    x = 75,800.65

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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.