Home / 71,939.06-99,273.94-41,722.45

Finding the Fourth Proportional to 71,939.06, 99,273.94 and 41,722.45

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Solution

The fourth proportional to 71,939.06, 99,273.94 and 41,722.45 is: 57,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939.06 : 99,273.94 = 41,722.45 : x
  2. Step 2: Convert to fraction form
    71,939.06/99,273.94 = 41,722.45/x
  3. Step 3: Cross multiply
    71,939.06x = 99,273.94 × 41,722.45
  4. Step 4: Simplify right side
    71,939.06x = 4,141,951,292.97
  5. Step 5: Solve for x
    x = 4,141,951,292.97/71,939.06
  6. Step 6: Final answer
    x = 57,575.83

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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.