Home / 81,803.73-122,708.34-22,634.45

Finding the Fourth Proportional to 81,803.73, 122,708.34 and 22,634.45

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Solution

The fourth proportional to 81,803.73, 122,708.34 and 22,634.45 is: 33,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,803.73 : 122,708.34 = 22,634.45 : x
  2. Step 2: Convert to fraction form
    81,803.73/122,708.34 = 22,634.45/x
  3. Step 3: Cross multiply
    81,803.73x = 122,708.34 × 22,634.45
  4. Step 4: Simplify right side
    81,803.73x = 2,777,435,172.77
  5. Step 5: Solve for x
    x = 2,777,435,172.77/81,803.73
  6. Step 6: Final answer
    x = 33,952.43

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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.