Home / 75,318.89-103,936.56-41,326.61

Finding the Fourth Proportional to 75,318.89, 103,936.56 and 41,326.61

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Solution

The fourth proportional to 75,318.89, 103,936.56 and 41,326.61 is: 57,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,318.89 : 103,936.56 = 41,326.61 : x
  2. Step 2: Convert to fraction form
    75,318.89/103,936.56 = 41,326.61/x
  3. Step 3: Cross multiply
    75,318.89x = 103,936.56 × 41,326.61
  4. Step 4: Simplify right side
    75,318.89x = 4,295,345,679.86
  5. Step 5: Solve for x
    x = 4,295,345,679.86/75,318.89
  6. Step 6: Final answer
    x = 57,028.80

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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.