Home / 73,936.38-102,039.72-43,731.48

Finding the Fourth Proportional to 73,936.38, 102,039.72 and 43,731.48

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Solution

The fourth proportional to 73,936.38, 102,039.72 and 43,731.48 is: 60,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,936.38 : 102,039.72 = 43,731.48 : x
  2. Step 2: Convert to fraction form
    73,936.38/102,039.72 = 43,731.48/x
  3. Step 3: Cross multiply
    73,936.38x = 102,039.72 × 43,731.48
  4. Step 4: Simplify right side
    73,936.38x = 4,462,347,974.39
  5. Step 5: Solve for x
    x = 4,462,347,974.39/73,936.38
  6. Step 6: Final answer
    x = 60,353.89

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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.