Home / 82,046.20-123,069.30-26,642.20

Finding the Fourth Proportional to 82,046.20, 123,069.30 and 26,642.20

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Solution

The fourth proportional to 82,046.20, 123,069.30 and 26,642.20 is: 39,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046.20 : 123,069.30 = 26,642.20 : x
  2. Step 2: Convert to fraction form
    82,046.20/123,069.30 = 26,642.20/x
  3. Step 3: Cross multiply
    82,046.20x = 123,069.30 × 26,642.20
  4. Step 4: Simplify right side
    82,046.20x = 3,278,836,904.46
  5. Step 5: Solve for x
    x = 3,278,836,904.46/82,046.20
  6. Step 6: Final answer
    x = 39,963.30

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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.