Home / 67,149.42-100,709.73-27,696.30

Finding the Fourth Proportional to 67,149.42, 100,709.73 and 27,696.30

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Solution

The fourth proportional to 67,149.42, 100,709.73 and 27,696.30 is: 41,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,149.42 : 100,709.73 = 27,696.30 : x
  2. Step 2: Convert to fraction form
    67,149.42/100,709.73 = 27,696.30/x
  3. Step 3: Cross multiply
    67,149.42x = 100,709.73 × 27,696.30
  4. Step 4: Simplify right side
    67,149.42x = 2,789,286,895.00
  5. Step 5: Solve for x
    x = 2,789,286,895.00/67,149.42
  6. Step 6: Final answer
    x = 41,538.51

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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.