Home / 67,118.34-100,676.70-17,198.04

Finding the Fourth Proportional to 67,118.34, 100,676.70 and 17,198.04

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Solution

The fourth proportional to 67,118.34, 100,676.70 and 17,198.04 is: 25,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.34 : 100,676.70 = 17,198.04 : x
  2. Step 2: Convert to fraction form
    67,118.34/100,676.70 = 17,198.04/x
  3. Step 3: Cross multiply
    67,118.34x = 100,676.70 × 17,198.04
  4. Step 4: Simplify right side
    67,118.34x = 1,731,441,913.67
  5. Step 5: Solve for x
    x = 1,731,441,913.67/67,118.34
  6. Step 6: Final answer
    x = 25,796.85

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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.