Home / 86,743.29-119,704.19-49,016.73

Finding the Fourth Proportional to 86,743.29, 119,704.19 and 49,016.73

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Solution

The fourth proportional to 86,743.29, 119,704.19 and 49,016.73 is: 67,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,743.29 : 119,704.19 = 49,016.73 : x
  2. Step 2: Convert to fraction form
    86,743.29/119,704.19 = 49,016.73/x
  3. Step 3: Cross multiply
    86,743.29x = 119,704.19 × 49,016.73
  4. Step 4: Simplify right side
    86,743.29x = 5,867,507,716.02
  5. Step 5: Solve for x
    x = 5,867,507,716.02/86,743.29
  6. Step 6: Final answer
    x = 67,642.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.