Home / 82,084.80-123,146.22-25,930.48

Finding the Fourth Proportional to 82,084.80, 123,146.22 and 25,930.48

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Solution

The fourth proportional to 82,084.80, 123,146.22 and 25,930.48 is: 38,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,084.80 : 123,146.22 = 25,930.48 : x
  2. Step 2: Convert to fraction form
    82,084.80/123,146.22 = 25,930.48/x
  3. Step 3: Cross multiply
    82,084.80x = 123,146.22 × 25,930.48
  4. Step 4: Simplify right side
    82,084.80x = 3,193,240,594.79
  5. Step 5: Solve for x
    x = 3,193,240,594.79/82,084.80
  6. Step 6: Final answer
    x = 38,901.73

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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.