Home / 67,072.54-100,608.45-17,152.56

Finding the Fourth Proportional to 67,072.54, 100,608.45 and 17,152.56

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Solution

The fourth proportional to 67,072.54, 100,608.45 and 17,152.56 is: 25,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,072.54 : 100,608.45 = 17,152.56 : x
  2. Step 2: Convert to fraction form
    67,072.54/100,608.45 = 17,152.56/x
  3. Step 3: Cross multiply
    67,072.54x = 100,608.45 × 17,152.56
  4. Step 4: Simplify right side
    67,072.54x = 1,725,691,972.09
  5. Step 5: Solve for x
    x = 1,725,691,972.09/67,072.54
  6. Step 6: Final answer
    x = 25,728.74

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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.