Home / 67,087.44-100,643.31-27,623.03

Finding the Fourth Proportional to 67,087.44, 100,643.31 and 27,623.03

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Solution

The fourth proportional to 67,087.44, 100,643.31 and 27,623.03 is: 41,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,087.44 : 100,643.31 = 27,623.03 : x
  2. Step 2: Convert to fraction form
    67,087.44/100,643.31 = 27,623.03/x
  3. Step 3: Cross multiply
    67,087.44x = 100,643.31 × 27,623.03
  4. Step 4: Simplify right side
    67,087.44x = 2,780,072,668.21
  5. Step 5: Solve for x
    x = 2,780,072,668.21/67,087.44
  6. Step 6: Final answer
    x = 41,439.54

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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.