Home / 79,040.90-109,078.07-43,233.23

Finding the Fourth Proportional to 79,040.90, 109,078.07 and 43,233.23

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Solution

The fourth proportional to 79,040.90, 109,078.07 and 43,233.23 is: 59,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,040.90 : 109,078.07 = 43,233.23 : x
  2. Step 2: Convert to fraction form
    79,040.90/109,078.07 = 43,233.23/x
  3. Step 3: Cross multiply
    79,040.90x = 109,078.07 × 43,233.23
  4. Step 4: Simplify right side
    79,040.90x = 4,715,797,288.27
  5. Step 5: Solve for x
    x = 4,715,797,288.27/79,040.90
  6. Step 6: Final answer
    x = 59,662.75

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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.