Home / 80,255.07-110,715.26-51,969.87

Finding the Fourth Proportional to 80,255.07, 110,715.26 and 51,969.87

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Solution

The fourth proportional to 80,255.07, 110,715.26 and 51,969.87 is: 71,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,255.07 : 110,715.26 = 51,969.87 : x
  2. Step 2: Convert to fraction form
    80,255.07/110,715.26 = 51,969.87/x
  3. Step 3: Cross multiply
    80,255.07x = 110,715.26 × 51,969.87
  4. Step 4: Simplify right side
    80,255.07x = 5,753,857,409.37
  5. Step 5: Solve for x
    x = 5,753,857,409.37/80,255.07
  6. Step 6: Final answer
    x = 71,694.63

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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.