Home / 83,982.42-115,843.05-49,966.74

Finding the Fourth Proportional to 83,982.42, 115,843.05 and 49,966.74

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Solution

The fourth proportional to 83,982.42, 115,843.05 and 49,966.74 is: 68,922.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,982.42 : 115,843.05 = 49,966.74 : x
  2. Step 2: Convert to fraction form
    83,982.42/115,843.05 = 49,966.74/x
  3. Step 3: Cross multiply
    83,982.42x = 115,843.05 × 49,966.74
  4. Step 4: Simplify right side
    83,982.42x = 5,788,299,560.16
  5. Step 5: Solve for x
    x = 5,788,299,560.16/83,982.42
  6. Step 6: Final answer
    x = 68,922.75

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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.