Home / 81,480.44-122,223.24-25,320.85

Finding the Fourth Proportional to 81,480.44, 122,223.24 and 25,320.85

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Solution

The fourth proportional to 81,480.44, 122,223.24 and 25,320.85 is: 37,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,480.44 : 122,223.24 = 25,320.85 : x
  2. Step 2: Convert to fraction form
    81,480.44/122,223.24 = 25,320.85/x
  3. Step 3: Cross multiply
    81,480.44x = 122,223.24 × 25,320.85
  4. Step 4: Simplify right side
    81,480.44x = 3,094,796,021.00
  5. Step 5: Solve for x
    x = 3,094,796,021.00/81,480.44
  6. Step 6: Final answer
    x = 37,982.07

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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.