Home / 108,339.27-162,529.25-49,179.11

Finding the Fourth Proportional to 108,339.27, 162,529.25 and 49,179.11

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Solution

The fourth proportional to 108,339.27, 162,529.25 and 49,179.11 is: 73,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,339.27 : 162,529.25 = 49,179.11 : x
  2. Step 2: Convert to fraction form
    108,339.27/162,529.25 = 49,179.11/x
  3. Step 3: Cross multiply
    108,339.27x = 162,529.25 × 49,179.11
  4. Step 4: Simplify right side
    108,339.27x = 7,993,042,805.43
  5. Step 5: Solve for x
    x = 7,993,042,805.43/108,339.27
  6. Step 6: Final answer
    x = 73,777.89

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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.