Home / 81,852.09-122,825.22-34,463.43

Finding the Fourth Proportional to 81,852.09, 122,825.22 and 34,463.43

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Solution

The fourth proportional to 81,852.09, 122,825.22 and 34,463.43 is: 51,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,852.09 : 122,825.22 = 34,463.43 : x
  2. Step 2: Convert to fraction form
    81,852.09/122,825.22 = 34,463.43/x
  3. Step 3: Cross multiply
    81,852.09x = 122,825.22 × 34,463.43
  4. Step 4: Simplify right side
    81,852.09x = 4,232,978,371.70
  5. Step 5: Solve for x
    x = 4,232,978,371.70/81,852.09
  6. Step 6: Final answer
    x = 51,714.97

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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.