Home / 66,436.20-99,644.58-22,061.97

Finding the Fourth Proportional to 66,436.20, 99,644.58 and 22,061.97

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Solution

The fourth proportional to 66,436.20, 99,644.58 and 22,061.97 is: 33,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.20 : 99,644.58 = 22,061.97 : x
  2. Step 2: Convert to fraction form
    66,436.20/99,644.58 = 22,061.97/x
  3. Step 3: Cross multiply
    66,436.20x = 99,644.58 × 22,061.97
  4. Step 4: Simplify right side
    66,436.20x = 2,198,355,734.62
  5. Step 5: Solve for x
    x = 2,198,355,734.62/66,436.20
  6. Step 6: Final answer
    x = 33,089.73

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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.