Home / 67,137.35-100,703.68-17,217.95

Finding the Fourth Proportional to 67,137.35, 100,703.68 and 17,217.95

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Solution

The fourth proportional to 67,137.35, 100,703.68 and 17,217.95 is: 25,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,137.35 : 100,703.68 = 17,217.95 : x
  2. Step 2: Convert to fraction form
    67,137.35/100,703.68 = 17,217.95/x
  3. Step 3: Cross multiply
    67,137.35x = 100,703.68 × 17,217.95
  4. Step 4: Simplify right side
    67,137.35x = 1,733,910,380.49
  5. Step 5: Solve for x
    x = 1,733,910,380.49/67,137.35
  6. Step 6: Final answer
    x = 25,826.32

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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.