Home / 80,244.53-120,293.09-27,641.51

Finding the Fourth Proportional to 80,244.53, 120,293.09 and 27,641.51

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Solution

The fourth proportional to 80,244.53, 120,293.09 and 27,641.51 is: 41,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,244.53 : 120,293.09 = 27,641.51 : x
  2. Step 2: Convert to fraction form
    80,244.53/120,293.09 = 27,641.51/x
  3. Step 3: Cross multiply
    80,244.53x = 120,293.09 × 27,641.51
  4. Step 4: Simplify right side
    80,244.53x = 3,325,082,511.96
  5. Step 5: Solve for x
    x = 3,325,082,511.96/80,244.53
  6. Step 6: Final answer
    x = 41,436.87

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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.