Home / 49,251.40-73,790.70-40,438.60

Finding the Fourth Proportional to 49,251.40, 73,790.70 and 40,438.60

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Solution

The fourth proportional to 49,251.40, 73,790.70 and 40,438.60 is: 60,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,251.40 : 73,790.70 = 40,438.60 : x
  2. Step 2: Convert to fraction form
    49,251.40/73,790.70 = 40,438.60/x
  3. Step 3: Cross multiply
    49,251.40x = 73,790.70 × 40,438.60
  4. Step 4: Simplify right side
    49,251.40x = 2,983,992,601.02
  5. Step 5: Solve for x
    x = 2,983,992,601.02/49,251.40
  6. Step 6: Final answer
    x = 60,586.96

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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.