Home / 79,839.38-119,726.12-27,253.10

Finding the Fourth Proportional to 79,839.38, 119,726.12 and 27,253.10

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Solution

The fourth proportional to 79,839.38, 119,726.12 and 27,253.10 is: 40,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,839.38 : 119,726.12 = 27,253.10 : x
  2. Step 2: Convert to fraction form
    79,839.38/119,726.12 = 27,253.10/x
  3. Step 3: Cross multiply
    79,839.38x = 119,726.12 × 27,253.10
  4. Step 4: Simplify right side
    79,839.38x = 3,262,907,920.97
  5. Step 5: Solve for x
    x = 3,262,907,920.97/79,839.38
  6. Step 6: Final answer
    x = 40,868.40

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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.