Home / 67,081.13-100,667.83-27,638.25

Finding the Fourth Proportional to 67,081.13, 100,667.83 and 27,638.25

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Solution

The fourth proportional to 67,081.13, 100,667.83 and 27,638.25 is: 41,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,081.13 : 100,667.83 = 27,638.25 : x
  2. Step 2: Convert to fraction form
    67,081.13/100,667.83 = 27,638.25/x
  3. Step 3: Cross multiply
    67,081.13x = 100,667.83 × 27,638.25
  4. Step 4: Simplify right side
    67,081.13x = 2,782,282,652.50
  5. Step 5: Solve for x
    x = 2,782,282,652.50/67,081.13
  6. Step 6: Final answer
    x = 41,476.38

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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.