Home / 45,115.20-67,727.52-44,616.24

Finding the Fourth Proportional to 45,115.20, 67,727.52 and 44,616.24

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Solution

The fourth proportional to 45,115.20, 67,727.52 and 44,616.24 is: 66,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,115.20 : 67,727.52 = 44,616.24 : x
  2. Step 2: Convert to fraction form
    45,115.20/67,727.52 = 44,616.24/x
  3. Step 3: Cross multiply
    45,115.20x = 67,727.52 × 44,616.24
  4. Step 4: Simplify right side
    45,115.20x = 3,021,747,286.92
  5. Step 5: Solve for x
    x = 3,021,747,286.92/45,115.20
  6. Step 6: Final answer
    x = 66,978.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.