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Finding the Fourth Proportional to 73,927.69, 110,935.46 and 27,213.37

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Solution

The fourth proportional to 73,927.69, 110,935.46 and 27,213.37 is: 40,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,927.69 : 110,935.46 = 27,213.37 : x
  2. Step 2: Convert to fraction form
    73,927.69/110,935.46 = 27,213.37/x
  3. Step 3: Cross multiply
    73,927.69x = 110,935.46 × 27,213.37
  4. Step 4: Simplify right side
    73,927.69x = 3,018,927,583.03
  5. Step 5: Solve for x
    x = 3,018,927,583.03/73,927.69
  6. Step 6: Final answer
    x = 40,836.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.