Home / 79,664.41-109,940.01-43,857.75

Finding the Fourth Proportional to 79,664.41, 109,940.01 and 43,857.75

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Solution

The fourth proportional to 79,664.41, 109,940.01 and 43,857.75 is: 60,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,664.41 : 109,940.01 = 43,857.75 : x
  2. Step 2: Convert to fraction form
    79,664.41/109,940.01 = 43,857.75/x
  3. Step 3: Cross multiply
    79,664.41x = 109,940.01 × 43,857.75
  4. Step 4: Simplify right side
    79,664.41x = 4,821,721,473.58
  5. Step 5: Solve for x
    x = 4,821,721,473.58/79,664.41
  6. Step 6: Final answer
    x = 60,525.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.