Home / 67,113.77-100,668.33-17,194.28

Finding the Fourth Proportional to 67,113.77, 100,668.33 and 17,194.28

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Solution

The fourth proportional to 67,113.77, 100,668.33 and 17,194.28 is: 25,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.77 : 100,668.33 = 17,194.28 : x
  2. Step 2: Convert to fraction form
    67,113.77/100,668.33 = 17,194.28/x
  3. Step 3: Cross multiply
    67,113.77x = 100,668.33 × 17,194.28
  4. Step 4: Simplify right side
    67,113.77x = 1,730,919,704.82
  5. Step 5: Solve for x
    x = 1,730,919,704.82/67,113.77
  6. Step 6: Final answer
    x = 25,790.83

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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.