Home / 45,850.92-68,776.61-20,873.50

Finding the Fourth Proportional to 45,850.92, 68,776.61 and 20,873.50

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Solution

The fourth proportional to 45,850.92, 68,776.61 and 20,873.50 is: 31,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,850.92 : 68,776.61 = 20,873.50 : x
  2. Step 2: Convert to fraction form
    45,850.92/68,776.61 = 20,873.50/x
  3. Step 3: Cross multiply
    45,850.92x = 68,776.61 × 20,873.50
  4. Step 4: Simplify right side
    45,850.92x = 1,435,608,568.84
  5. Step 5: Solve for x
    x = 1,435,608,568.84/45,850.92
  6. Step 6: Final answer
    x = 31,310.35

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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.