Home / 67,234.43-100,828.14-19,836.95

Finding the Fourth Proportional to 67,234.43, 100,828.14 and 19,836.95

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Solution

The fourth proportional to 67,234.43, 100,828.14 and 19,836.95 is: 29,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,234.43 : 100,828.14 = 19,836.95 : x
  2. Step 2: Convert to fraction form
    67,234.43/100,828.14 = 19,836.95/x
  3. Step 3: Cross multiply
    67,234.43x = 100,828.14 × 19,836.95
  4. Step 4: Simplify right side
    67,234.43x = 2,000,122,193.24
  5. Step 5: Solve for x
    x = 2,000,122,193.24/67,234.43
  6. Step 6: Final answer
    x = 29,748.48

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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.