Home / 80,256.16-110,723.76-51,977.44

Finding the Fourth Proportional to 80,256.16, 110,723.76 and 51,977.44

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Solution

The fourth proportional to 80,256.16, 110,723.76 and 51,977.44 is: 71,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256.16 : 110,723.76 = 51,977.44 : x
  2. Step 2: Convert to fraction form
    80,256.16/110,723.76 = 51,977.44/x
  3. Step 3: Cross multiply
    80,256.16x = 110,723.76 × 51,977.44
  4. Step 4: Simplify right side
    80,256.16x = 5,755,137,591.97
  5. Step 5: Solve for x
    x = 5,755,137,591.97/80,256.16
  6. Step 6: Final answer
    x = 71,709.61

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1.5x scale

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.