Home / 67,131.18-100,696.57-27,687.22

Finding the Fourth Proportional to 67,131.18, 100,696.57 and 27,687.22

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Solution

The fourth proportional to 67,131.18, 100,696.57 and 27,687.22 is: 41,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,131.18 : 100,696.57 = 27,687.22 : x
  2. Step 2: Convert to fraction form
    67,131.18/100,696.57 = 27,687.22/x
  3. Step 3: Cross multiply
    67,131.18x = 100,696.57 × 27,687.22
  4. Step 4: Simplify right side
    67,131.18x = 2,788,007,765.88
  5. Step 5: Solve for x
    x = 2,788,007,765.88/67,131.18
  6. Step 6: Final answer
    x = 41,530.74

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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.