Home / 79,440.26-109,628.31-43,631

Finding the Fourth Proportional to 79,440.26, 109,628.31 and 43,631

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Solution

The fourth proportional to 79,440.26, 109,628.31 and 43,631 is: 60,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.26 : 109,628.31 = 43,631 : x
  2. Step 2: Convert to fraction form
    79,440.26/109,628.31 = 43,631/x
  3. Step 3: Cross multiply
    79,440.26x = 109,628.31 × 43,631
  4. Step 4: Simplify right side
    79,440.26x = 4,783,192,793.61
  5. Step 5: Solve for x
    x = 4,783,192,793.61/79,440.26
  6. Step 6: Final answer
    x = 60,211.19

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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.