Home / 81,844.16-122,773.20-22,679.84

Finding the Fourth Proportional to 81,844.16, 122,773.20 and 22,679.84

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Solution

The fourth proportional to 81,844.16, 122,773.20 and 22,679.84 is: 34,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,844.16 : 122,773.20 = 22,679.84 : x
  2. Step 2: Convert to fraction form
    81,844.16/122,773.20 = 22,679.84/x
  3. Step 3: Cross multiply
    81,844.16x = 122,773.20 × 22,679.84
  4. Step 4: Simplify right side
    81,844.16x = 2,784,476,532.29
  5. Step 5: Solve for x
    x = 2,784,476,532.29/81,844.16
  6. Step 6: Final answer
    x = 34,021.69

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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.