Home / 80,589.20-111,181.26-46,591.44

Finding the Fourth Proportional to 80,589.20, 111,181.26 and 46,591.44

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Solution

The fourth proportional to 80,589.20, 111,181.26 and 46,591.44 is: 64,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.20 : 111,181.26 = 46,591.44 : x
  2. Step 2: Convert to fraction form
    80,589.20/111,181.26 = 46,591.44/x
  3. Step 3: Cross multiply
    80,589.20x = 111,181.26 × 46,591.44
  4. Step 4: Simplify right side
    80,589.20x = 5,180,095,004.41
  5. Step 5: Solve for x
    x = 5,180,095,004.41/80,589.20
  6. Step 6: Final answer
    x = 64,277.78

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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.