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Finding the Fourth Proportional to 73,393.82, 101,283.99 and 39,859.82

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Solution

The fourth proportional to 73,393.82, 101,283.99 and 39,859.82 is: 55,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,393.82 : 101,283.99 = 39,859.82 : x
  2. Step 2: Convert to fraction form
    73,393.82/101,283.99 = 39,859.82/x
  3. Step 3: Cross multiply
    73,393.82x = 101,283.99 × 39,859.82
  4. Step 4: Simplify right side
    73,393.82x = 4,037,161,610.28
  5. Step 5: Solve for x
    x = 4,037,161,610.28/73,393.82
  6. Step 6: Final answer
    x = 55,006.83

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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.