Home / 79,997.57-110,382.22-51,686.86

Finding the Fourth Proportional to 79,997.57, 110,382.22 and 51,686.86

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Solution

The fourth proportional to 79,997.57, 110,382.22 and 51,686.86 is: 71,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,997.57 : 110,382.22 = 51,686.86 : x
  2. Step 2: Convert to fraction form
    79,997.57/110,382.22 = 51,686.86/x
  3. Step 3: Cross multiply
    79,997.57x = 110,382.22 × 51,686.86
  4. Step 4: Simplify right side
    79,997.57x = 5,705,310,201.88
  5. Step 5: Solve for x
    x = 5,705,310,201.88/79,997.57
  6. Step 6: Final answer
    x = 71,318.54

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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.