Home / 82,850.04-124,324.20-43,429.37

Finding the Fourth Proportional to 82,850.04, 124,324.20 and 43,429.37

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Solution

The fourth proportional to 82,850.04, 124,324.20 and 43,429.37 is: 65,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,850.04 : 124,324.20 = 43,429.37 : x
  2. Step 2: Convert to fraction form
    82,850.04/124,324.20 = 43,429.37/x
  3. Step 3: Cross multiply
    82,850.04x = 124,324.20 × 43,429.37
  4. Step 4: Simplify right side
    82,850.04x = 5,399,321,060.13
  5. Step 5: Solve for x
    x = 5,399,321,060.13/82,850.04
  6. Step 6: Final answer
    x = 65,169.81

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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.