Home / 109,072.62-163,609.16-33,171.84

Finding the Fourth Proportional to 109,072.62, 163,609.16 and 33,171.84

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Solution

The fourth proportional to 109,072.62, 163,609.16 and 33,171.84 is: 49,757.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,072.62 : 163,609.16 = 33,171.84 : x
  2. Step 2: Convert to fraction form
    109,072.62/163,609.16 = 33,171.84/x
  3. Step 3: Cross multiply
    109,072.62x = 163,609.16 × 33,171.84
  4. Step 4: Simplify right side
    109,072.62x = 5,427,216,712.20
  5. Step 5: Solve for x
    x = 5,427,216,712.20/109,072.62
  6. Step 6: Final answer
    x = 49,757.83

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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.