Home / 108,106.38-162,163.23-29,221.29

Finding the Fourth Proportional to 108,106.38, 162,163.23 and 29,221.29

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Solution

The fourth proportional to 108,106.38, 162,163.23 and 29,221.29 is: 43,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,106.38 : 162,163.23 = 29,221.29 : x
  2. Step 2: Convert to fraction form
    108,106.38/162,163.23 = 29,221.29/x
  3. Step 3: Cross multiply
    108,106.38x = 162,163.23 × 29,221.29
  4. Step 4: Simplify right side
    108,106.38x = 4,738,618,771.17
  5. Step 5: Solve for x
    x = 4,738,618,771.17/108,106.38
  6. Step 6: Final answer
    x = 43,832.92

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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.