Home / 108,207.78-162,329.10-33,327.90

Finding the Fourth Proportional to 108,207.78, 162,329.10 and 33,327.90

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Solution

The fourth proportional to 108,207.78, 162,329.10 and 33,327.90 is: 49,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,207.78 : 162,329.10 = 33,327.90 : x
  2. Step 2: Convert to fraction form
    108,207.78/162,329.10 = 33,327.90/x
  3. Step 3: Cross multiply
    108,207.78x = 162,329.10 × 33,327.90
  4. Step 4: Simplify right side
    108,207.78x = 5,410,087,200.24
  5. Step 5: Solve for x
    x = 5,410,087,200.24/108,207.78
  6. Step 6: Final answer
    x = 49,997.21

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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.