Home / 96,738.90-145,217.70-74,650.20

Finding the Fourth Proportional to 96,738.90, 145,217.70 and 74,650.20

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Solution

The fourth proportional to 96,738.90, 145,217.70 and 74,650.20 is: 112,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,738.90 : 145,217.70 = 74,650.20 : x
  2. Step 2: Convert to fraction form
    96,738.90/145,217.70 = 74,650.20/x
  3. Step 3: Cross multiply
    96,738.90x = 145,217.70 × 74,650.20
  4. Step 4: Simplify right side
    96,738.90x = 10,840,530,348.54
  5. Step 5: Solve for x
    x = 10,840,530,348.54/96,738.90
  6. Step 6: Final answer
    x = 112,059.68

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1.5x scale

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.