Home / 67,083.22-100,628.28-17,163.75

Finding the Fourth Proportional to 67,083.22, 100,628.28 and 17,163.75

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Solution

The fourth proportional to 67,083.22, 100,628.28 and 17,163.75 is: 25,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,083.22 : 100,628.28 = 17,163.75 : x
  2. Step 2: Convert to fraction form
    67,083.22/100,628.28 = 17,163.75/x
  3. Step 3: Cross multiply
    67,083.22x = 100,628.28 × 17,163.75
  4. Step 4: Simplify right side
    67,083.22x = 1,727,158,640.85
  5. Step 5: Solve for x
    x = 1,727,158,640.85/67,083.22
  6. Step 6: Final answer
    x = 25,746.51

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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.