Home / 67,768.26-101,651.66-27,778.33

Finding the Fourth Proportional to 67,768.26, 101,651.66 and 27,778.33

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Solution

The fourth proportional to 67,768.26, 101,651.66 and 27,778.33 is: 41,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,768.26 : 101,651.66 = 27,778.33 : x
  2. Step 2: Convert to fraction form
    67,768.26/101,651.66 = 27,778.33/x
  3. Step 3: Cross multiply
    67,768.26x = 101,651.66 × 27,778.33
  4. Step 4: Simplify right side
    67,768.26x = 2,823,713,287.08
  5. Step 5: Solve for x
    x = 2,823,713,287.08/67,768.26
  6. Step 6: Final answer
    x = 41,667.19

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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.