Home / 81,674.75-122,520.59-22,510.43

Finding the Fourth Proportional to 81,674.75, 122,520.59 and 22,510.43

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Solution

The fourth proportional to 81,674.75, 122,520.59 and 22,510.43 is: 33,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,674.75 : 122,520.59 = 22,510.43 : x
  2. Step 2: Convert to fraction form
    81,674.75/122,520.59 = 22,510.43/x
  3. Step 3: Cross multiply
    81,674.75x = 122,520.59 × 22,510.43
  4. Step 4: Simplify right side
    81,674.75x = 2,757,990,439.60
  5. Step 5: Solve for x
    x = 2,757,990,439.60/81,674.75
  6. Step 6: Final answer
    x = 33,767.97

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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.