Home / 49,202.20-73,803.30-45,400.60

Finding the Fourth Proportional to 49,202.20, 73,803.30 and 45,400.60

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Solution

The fourth proportional to 49,202.20, 73,803.30 and 45,400.60 is: 68,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,202.20 : 73,803.30 = 45,400.60 : x
  2. Step 2: Convert to fraction form
    49,202.20/73,803.30 = 45,400.60/x
  3. Step 3: Cross multiply
    49,202.20x = 73,803.30 × 45,400.60
  4. Step 4: Simplify right side
    49,202.20x = 3,350,714,101.98
  5. Step 5: Solve for x
    x = 3,350,714,101.98/49,202.20
  6. Step 6: Final answer
    x = 68,100.90

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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.