Home / 45,540.92-68,334.62-30,718.78

Finding the Fourth Proportional to 45,540.92, 68,334.62 and 30,718.78

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Solution

The fourth proportional to 45,540.92, 68,334.62 and 30,718.78 is: 46,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.92 : 68,334.62 = 30,718.78 : x
  2. Step 2: Convert to fraction form
    45,540.92/68,334.62 = 30,718.78/x
  3. Step 3: Cross multiply
    45,540.92x = 68,334.62 × 30,718.78
  4. Step 4: Simplify right side
    45,540.92x = 2,099,155,833.73
  5. Step 5: Solve for x
    x = 2,099,155,833.73/45,540.92
  6. Step 6: Final answer
    x = 46,093.84

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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.