Home / 81,247.05-121,825.54-33,249.37

Finding the Fourth Proportional to 81,247.05, 121,825.54 and 33,249.37

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Solution

The fourth proportional to 81,247.05, 121,825.54 and 33,249.37 is: 49,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,247.05 : 121,825.54 = 33,249.37 : x
  2. Step 2: Convert to fraction form
    81,247.05/121,825.54 = 33,249.37/x
  3. Step 3: Cross multiply
    81,247.05x = 121,825.54 × 33,249.37
  4. Step 4: Simplify right side
    81,247.05x = 4,050,622,454.91
  5. Step 5: Solve for x
    x = 4,050,622,454.91/81,247.05
  6. Step 6: Final answer
    x = 49,855.62

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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.