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Finding the Fourth Proportional to 73,866.33, 101,933.91 and 42,034.41

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Solution

The fourth proportional to 73,866.33, 101,933.91 and 42,034.41 is: 58,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.33 : 101,933.91 = 42,034.41 : x
  2. Step 2: Convert to fraction form
    73,866.33/101,933.91 = 42,034.41/x
  3. Step 3: Cross multiply
    73,866.33x = 101,933.91 × 42,034.41
  4. Step 4: Simplify right side
    73,866.33x = 4,284,731,765.84
  5. Step 5: Solve for x
    x = 4,284,731,765.84/73,866.33
  6. Step 6: Final answer
    x = 58,006.56

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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.