Home / 81,739.27-122,610.44-22,576.51

Finding the Fourth Proportional to 81,739.27, 122,610.44 and 22,576.51

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Solution

The fourth proportional to 81,739.27, 122,610.44 and 22,576.51 is: 33,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,739.27 : 122,610.44 = 22,576.51 : x
  2. Step 2: Convert to fraction form
    81,739.27/122,610.44 = 22,576.51/x
  3. Step 3: Cross multiply
    81,739.27x = 122,610.44 × 22,576.51
  4. Step 4: Simplify right side
    81,739.27x = 2,768,115,824.76
  5. Step 5: Solve for x
    x = 2,768,115,824.76/81,739.27
  6. Step 6: Final answer
    x = 33,865.19

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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.