Home / 49,152.20-73,728.30-45,350.60

Finding the Fourth Proportional to 49,152.20, 73,728.30 and 45,350.60

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Solution

The fourth proportional to 49,152.20, 73,728.30 and 45,350.60 is: 68,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,152.20 : 73,728.30 = 45,350.60 : x
  2. Step 2: Convert to fraction form
    49,152.20/73,728.30 = 45,350.60/x
  3. Step 3: Cross multiply
    49,152.20x = 73,728.30 × 45,350.60
  4. Step 4: Simplify right side
    49,152.20x = 3,343,622,641.98
  5. Step 5: Solve for x
    x = 3,343,622,641.98/49,152.20
  6. Step 6: Final answer
    x = 68,025.90

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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.