Home / 67,081.20-100,636.92-22,705.44

Finding the Fourth Proportional to 67,081.20, 100,636.92 and 22,705.44

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Solution

The fourth proportional to 67,081.20, 100,636.92 and 22,705.44 is: 34,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,081.20 : 100,636.92 = 22,705.44 : x
  2. Step 2: Convert to fraction form
    67,081.20/100,636.92 = 22,705.44/x
  3. Step 3: Cross multiply
    67,081.20x = 100,636.92 × 22,705.44
  4. Step 4: Simplify right side
    67,081.20x = 2,285,005,548.84
  5. Step 5: Solve for x
    x = 2,285,005,548.84/67,081.20
  6. Step 6: Final answer
    x = 34,063.28

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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.