Home / 91,273.72-125,945.30-50,982.36

Finding the Fourth Proportional to 91,273.72, 125,945.30 and 50,982.36

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Solution

The fourth proportional to 91,273.72, 125,945.30 and 50,982.36 is: 70,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,273.72 : 125,945.30 = 50,982.36 : x
  2. Step 2: Convert to fraction form
    91,273.72/125,945.30 = 50,982.36/x
  3. Step 3: Cross multiply
    91,273.72x = 125,945.30 × 50,982.36
  4. Step 4: Simplify right side
    91,273.72x = 6,420,988,624.91
  5. Step 5: Solve for x
    x = 6,420,988,624.91/91,273.72
  6. Step 6: Final answer
    x = 70,348.71

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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.