Home / 66,425.20-99,612.96-22,043.68

Finding the Fourth Proportional to 66,425.20, 99,612.96 and 22,043.68

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Solution

The fourth proportional to 66,425.20, 99,612.96 and 22,043.68 is: 33,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,425.20 : 99,612.96 = 22,043.68 : x
  2. Step 2: Convert to fraction form
    66,425.20/99,612.96 = 22,043.68/x
  3. Step 3: Cross multiply
    66,425.20x = 99,612.96 × 22,043.68
  4. Step 4: Simplify right side
    66,425.20x = 2,195,836,214.09
  5. Step 5: Solve for x
    x = 2,195,836,214.09/66,425.20
  6. Step 6: Final answer
    x = 33,057.28

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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.