Home / 80,553.22-111,163.54-44,743.30

Finding the Fourth Proportional to 80,553.22, 111,163.54 and 44,743.30

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Solution

The fourth proportional to 80,553.22, 111,163.54 and 44,743.30 is: 61,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,553.22 : 111,163.54 = 44,743.30 : x
  2. Step 2: Convert to fraction form
    80,553.22/111,163.54 = 44,743.30/x
  3. Step 3: Cross multiply
    80,553.22x = 111,163.54 × 44,743.30
  4. Step 4: Simplify right side
    80,553.22x = 4,973,823,619.28
  5. Step 5: Solve for x
    x = 4,973,823,619.28/80,553.22
  6. Step 6: Final answer
    x = 61,745.81

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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.