Home / 80,200.94-110,682.86-47,936.61

Finding the Fourth Proportional to 80,200.94, 110,682.86 and 47,936.61

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Solution

The fourth proportional to 80,200.94, 110,682.86 and 47,936.61 is: 66,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,200.94 : 110,682.86 = 47,936.61 : x
  2. Step 2: Convert to fraction form
    80,200.94/110,682.86 = 47,936.61/x
  3. Step 3: Cross multiply
    80,200.94x = 110,682.86 × 47,936.61
  4. Step 4: Simplify right side
    80,200.94x = 5,305,760,853.82
  5. Step 5: Solve for x
    x = 5,305,760,853.82/80,200.94
  6. Step 6: Final answer
    x = 66,155.85

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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.