Home / 91,231.26-125,896.68-50,943.90

Finding the Fourth Proportional to 91,231.26, 125,896.68 and 50,943.90

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Solution

The fourth proportional to 91,231.26, 125,896.68 and 50,943.90 is: 70,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,231.26 : 125,896.68 = 50,943.90 : x
  2. Step 2: Convert to fraction form
    91,231.26/125,896.68 = 50,943.90/x
  3. Step 3: Cross multiply
    91,231.26x = 125,896.68 × 50,943.90
  4. Step 4: Simplify right side
    91,231.26x = 6,413,667,876.25
  5. Step 5: Solve for x
    x = 6,413,667,876.25/91,231.26
  6. Step 6: Final answer
    x = 70,301.21

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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.