Home / 82,481.04-123,739.76-35,093.60

Finding the Fourth Proportional to 82,481.04, 123,739.76 and 35,093.60

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Solution

The fourth proportional to 82,481.04, 123,739.76 and 35,093.60 is: 52,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481.04 : 123,739.76 = 35,093.60 : x
  2. Step 2: Convert to fraction form
    82,481.04/123,739.76 = 35,093.60/x
  3. Step 3: Cross multiply
    82,481.04x = 123,739.76 × 35,093.60
  4. Step 4: Simplify right side
    82,481.04x = 4,342,473,641.54
  5. Step 5: Solve for x
    x = 4,342,473,641.54/82,481.04
  6. Step 6: Final answer
    x = 52,648.14

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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.