Home / 79,512.15-109,727.46-43,703

Finding the Fourth Proportional to 79,512.15, 109,727.46 and 43,703

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Solution

The fourth proportional to 79,512.15, 109,727.46 and 43,703 is: 60,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,512.15 : 109,727.46 = 43,703 : x
  2. Step 2: Convert to fraction form
    79,512.15/109,727.46 = 43,703/x
  3. Step 3: Cross multiply
    79,512.15x = 109,727.46 × 43,703
  4. Step 4: Simplify right side
    79,512.15x = 4,795,419,184.38
  5. Step 5: Solve for x
    x = 4,795,419,184.38/79,512.15
  6. Step 6: Final answer
    x = 60,310.52

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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.