Home / 54,280.85-80,939.91-50,661.36

Finding the Fourth Proportional to 54,280.85, 80,939.91 and 50,661.36

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Solution

The fourth proportional to 54,280.85, 80,939.91 and 50,661.36 is: 75,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.85 : 80,939.91 = 50,661.36 : x
  2. Step 2: Convert to fraction form
    54,280.85/80,939.91 = 50,661.36/x
  3. Step 3: Cross multiply
    54,280.85x = 80,939.91 × 50,661.36
  4. Step 4: Simplify right side
    54,280.85x = 4,100,526,108.86
  5. Step 5: Solve for x
    x = 4,100,526,108.86/54,280.85
  6. Step 6: Final answer
    x = 75,542.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.