Home / 80,954.43-111,725.15-60,500.97

Finding the Fourth Proportional to 80,954.43, 111,725.15 and 60,500.97

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Solution

The fourth proportional to 80,954.43, 111,725.15 and 60,500.97 is: 83,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,954.43 : 111,725.15 = 60,500.97 : x
  2. Step 2: Convert to fraction form
    80,954.43/111,725.15 = 60,500.97/x
  3. Step 3: Cross multiply
    80,954.43x = 111,725.15 × 60,500.97
  4. Step 4: Simplify right side
    80,954.43x = 6,759,479,645.89
  5. Step 5: Solve for x
    x = 6,759,479,645.89/80,954.43
  6. Step 6: Final answer
    x = 83,497.34

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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.