Home / 96,949.12-133,865.04-75,691.12

Finding the Fourth Proportional to 96,949.12, 133,865.04 and 75,691.12

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Solution

The fourth proportional to 96,949.12, 133,865.04 and 75,691.12 is: 104,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,949.12 : 133,865.04 = 75,691.12 : x
  2. Step 2: Convert to fraction form
    96,949.12/133,865.04 = 75,691.12/x
  3. Step 3: Cross multiply
    96,949.12x = 133,865.04 × 75,691.12
  4. Step 4: Simplify right side
    96,949.12x = 10,132,394,806.44
  5. Step 5: Solve for x
    x = 10,132,394,806.44/96,949.12
  6. Step 6: Final answer
    x = 104,512.50

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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.