Home / 95,223.15-131,363.78-66,945.51

Finding the Fourth Proportional to 95,223.15, 131,363.78 and 66,945.51

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Solution

The fourth proportional to 95,223.15, 131,363.78 and 66,945.51 is: 92,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,223.15 : 131,363.78 = 66,945.51 : x
  2. Step 2: Convert to fraction form
    95,223.15/131,363.78 = 66,945.51/x
  3. Step 3: Cross multiply
    95,223.15x = 131,363.78 × 66,945.51
  4. Step 4: Simplify right side
    95,223.15x = 8,794,214,912.90
  5. Step 5: Solve for x
    x = 8,794,214,912.90/95,223.15
  6. Step 6: Final answer
    x = 92,353.75

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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.