Home / 96,961.20-145,441.92-83,773.68

Finding the Fourth Proportional to 96,961.20, 145,441.92 and 83,773.68

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Solution

The fourth proportional to 96,961.20, 145,441.92 and 83,773.68 is: 125,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,961.20 : 145,441.92 = 83,773.68 : x
  2. Step 2: Convert to fraction form
    96,961.20/145,441.92 = 83,773.68/x
  3. Step 3: Cross multiply
    96,961.20x = 145,441.92 × 83,773.68
  4. Step 4: Simplify right side
    96,961.20x = 12,184,204,864.67
  5. Step 5: Solve for x
    x = 12,184,204,864.67/96,961.20
  6. Step 6: Final answer
    x = 125,660.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.