Home / 80,422.48-110,910.36-50,210.56

Finding the Fourth Proportional to 80,422.48, 110,910.36 and 50,210.56

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Solution

The fourth proportional to 80,422.48, 110,910.36 and 50,210.56 is: 69,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,422.48 : 110,910.36 = 50,210.56 : x
  2. Step 2: Convert to fraction form
    80,422.48/110,910.36 = 50,210.56/x
  3. Step 3: Cross multiply
    80,422.48x = 110,910.36 × 50,210.56
  4. Step 4: Simplify right side
    80,422.48x = 5,568,871,285.40
  5. Step 5: Solve for x
    x = 5,568,871,285.40/80,422.48
  6. Step 6: Final answer
    x = 69,245.21

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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.