Home / 107,982.05-161,962.11-29,104.25

Finding the Fourth Proportional to 107,982.05, 161,962.11 and 29,104.25

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Solution

The fourth proportional to 107,982.05, 161,962.11 and 29,104.25 is: 43,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982.05 : 161,962.11 = 29,104.25 : x
  2. Step 2: Convert to fraction form
    107,982.05/161,962.11 = 29,104.25/x
  3. Step 3: Cross multiply
    107,982.05x = 161,962.11 × 29,104.25
  4. Step 4: Simplify right side
    107,982.05x = 4,713,784,930.16
  5. Step 5: Solve for x
    x = 4,713,784,930.16/107,982.05
  6. Step 6: Final answer
    x = 43,653.41

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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.