Home / 81,924.01-122,933.79-34,536.20

Finding the Fourth Proportional to 81,924.01, 122,933.79 and 34,536.20

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Solution

The fourth proportional to 81,924.01, 122,933.79 and 34,536.20 is: 51,824.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,924.01 : 122,933.79 = 34,536.20 : x
  2. Step 2: Convert to fraction form
    81,924.01/122,933.79 = 34,536.20/x
  3. Step 3: Cross multiply
    81,924.01x = 122,933.79 × 34,536.20
  4. Step 4: Simplify right side
    81,924.01x = 4,245,665,343.53
  5. Step 5: Solve for x
    x = 4,245,665,343.53/81,924.01
  6. Step 6: Final answer
    x = 51,824.43

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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.