Home / 67,105.37-100,584.24-27,640.95

Finding the Fourth Proportional to 67,105.37, 100,584.24 and 27,640.95

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Solution

The fourth proportional to 67,105.37, 100,584.24 and 27,640.95 is: 41,431.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,105.37 : 100,584.24 = 27,640.95 : x
  2. Step 2: Convert to fraction form
    67,105.37/100,584.24 = 27,640.95/x
  3. Step 3: Cross multiply
    67,105.37x = 100,584.24 × 27,640.95
  4. Step 4: Simplify right side
    67,105.37x = 2,780,243,810.42
  5. Step 5: Solve for x
    x = 2,780,243,810.42/67,105.37
  6. Step 6: Final answer
    x = 41,431.02

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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.