Home / 67,079.13-100,664.83-27,636.25

Finding the Fourth Proportional to 67,079.13, 100,664.83 and 27,636.25

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Solution

The fourth proportional to 67,079.13, 100,664.83 and 27,636.25 is: 41,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079.13 : 100,664.83 = 27,636.25 : x
  2. Step 2: Convert to fraction form
    67,079.13/100,664.83 = 27,636.25/x
  3. Step 3: Cross multiply
    67,079.13x = 100,664.83 × 27,636.25
  4. Step 4: Simplify right side
    67,079.13x = 2,781,998,190.97
  5. Step 5: Solve for x
    x = 2,781,998,190.97/67,079.13
  6. Step 6: Final answer
    x = 41,473.38

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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.