Home / 108,121.73-162,182.21-29,235.95

Finding the Fourth Proportional to 108,121.73, 162,182.21 and 29,235.95

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Solution

The fourth proportional to 108,121.73, 162,182.21 and 29,235.95 is: 43,853.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,121.73 : 162,182.21 = 29,235.95 : x
  2. Step 2: Convert to fraction form
    108,121.73/162,182.21 = 29,235.95/x
  3. Step 3: Cross multiply
    108,121.73x = 162,182.21 × 29,235.95
  4. Step 4: Simplify right side
    108,121.73x = 4,741,550,025.36
  5. Step 5: Solve for x
    x = 4,741,550,025.36/108,121.73
  6. Step 6: Final answer
    x = 43,853.81

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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.