Home / 66,481.04-99,722.44-22,107.80

Finding the Fourth Proportional to 66,481.04, 99,722.44 and 22,107.80

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Solution

The fourth proportional to 66,481.04, 99,722.44 and 22,107.80 is: 33,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,481.04 : 99,722.44 = 22,107.80 : x
  2. Step 2: Convert to fraction form
    66,481.04/99,722.44 = 22,107.80/x
  3. Step 3: Cross multiply
    66,481.04x = 99,722.44 × 22,107.80
  4. Step 4: Simplify right side
    66,481.04x = 2,204,644,035.97
  5. Step 5: Solve for x
    x = 2,204,644,035.97/66,481.04
  6. Step 6: Final answer
    x = 33,162.00

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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.