Home / 108,407.05-162,610.57-71,462.41

Finding the Fourth Proportional to 108,407.05, 162,610.57 and 71,462.41

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Solution

The fourth proportional to 108,407.05, 162,610.57 and 71,462.41 is: 107,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,407.05 : 162,610.57 = 71,462.41 : x
  2. Step 2: Convert to fraction form
    108,407.05/162,610.57 = 71,462.41/x
  3. Step 3: Cross multiply
    108,407.05x = 162,610.57 × 71,462.41
  4. Step 4: Simplify right side
    108,407.05x = 11,620,542,410.62
  5. Step 5: Solve for x
    x = 11,620,542,410.62/108,407.05
  6. Step 6: Final answer
    x = 107,193.61

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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.