Home / 67,047.72-100,571.60-17,126.08

Finding the Fourth Proportional to 67,047.72, 100,571.60 and 17,126.08

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Solution

The fourth proportional to 67,047.72, 100,571.60 and 17,126.08 is: 25,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,047.72 : 100,571.60 = 17,126.08 : x
  2. Step 2: Convert to fraction form
    67,047.72/100,571.60 = 17,126.08/x
  3. Step 3: Cross multiply
    67,047.72x = 100,571.60 × 17,126.08
  4. Step 4: Simplify right side
    67,047.72x = 1,722,397,267.33
  5. Step 5: Solve for x
    x = 1,722,397,267.33/67,047.72
  6. Step 6: Final answer
    x = 25,689.13

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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.