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Finding the Fourth Proportional to 92,562.44, 138,814.92 and 33,390.41

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Solution

The fourth proportional to 92,562.44, 138,814.92 and 33,390.41 is: 50,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,562.44 : 138,814.92 = 33,390.41 : x
  2. Step 2: Convert to fraction form
    92,562.44/138,814.92 = 33,390.41/x
  3. Step 3: Cross multiply
    92,562.44x = 138,814.92 × 33,390.41
  4. Step 4: Simplify right side
    92,562.44x = 4,635,086,398.84
  5. Step 5: Solve for x
    x = 4,635,086,398.84/92,562.44
  6. Step 6: Final answer
    x = 50,075.24

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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.