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Finding the Fourth Proportional to 73,198.02, 101,013.02 and 39,664.02

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Solution

The fourth proportional to 73,198.02, 101,013.02 and 39,664.02 is: 54,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,198.02 : 101,013.02 = 39,664.02 : x
  2. Step 2: Convert to fraction form
    73,198.02/101,013.02 = 39,664.02/x
  3. Step 3: Cross multiply
    73,198.02x = 101,013.02 × 39,664.02
  4. Step 4: Simplify right side
    73,198.02x = 4,006,582,445.54
  5. Step 5: Solve for x
    x = 4,006,582,445.54/73,198.02
  6. Step 6: Final answer
    x = 54,736.21

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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.