Home / 67,155.48-100,733.22-27,669.20

Finding the Fourth Proportional to 67,155.48, 100,733.22 and 27,669.20

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Solution

The fourth proportional to 67,155.48, 100,733.22 and 27,669.20 is: 41,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155.48 : 100,733.22 = 27,669.20 : x
  2. Step 2: Convert to fraction form
    67,155.48/100,733.22 = 27,669.20/x
  3. Step 3: Cross multiply
    67,155.48x = 100,733.22 × 27,669.20
  4. Step 4: Simplify right side
    67,155.48x = 2,787,207,107.16
  5. Step 5: Solve for x
    x = 2,787,207,107.16/67,155.48
  6. Step 6: Final answer
    x = 41,503.79

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Similar ratio
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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.