Home / 80,537.10-120,796.27-21,377.37

Finding the Fourth Proportional to 80,537.10, 120,796.27 and 21,377.37

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Solution

The fourth proportional to 80,537.10, 120,796.27 and 21,377.37 is: 32,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.10 : 120,796.27 = 21,377.37 : x
  2. Step 2: Convert to fraction form
    80,537.10/120,796.27 = 21,377.37/x
  3. Step 3: Cross multiply
    80,537.10x = 120,796.27 × 21,377.37
  4. Step 4: Simplify right side
    80,537.10x = 2,582,306,558.41
  5. Step 5: Solve for x
    x = 2,582,306,558.41/80,537.10
  6. Step 6: Final answer
    x = 32,063.56

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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.