Home / 49,216.40-73,738.20-40,403.60

Finding the Fourth Proportional to 49,216.40, 73,738.20 and 40,403.60

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Solution

The fourth proportional to 49,216.40, 73,738.20 and 40,403.60 is: 60,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,216.40 : 73,738.20 = 40,403.60 : x
  2. Step 2: Convert to fraction form
    49,216.40/73,738.20 = 40,403.60/x
  3. Step 3: Cross multiply
    49,216.40x = 73,738.20 × 40,403.60
  4. Step 4: Simplify right side
    49,216.40x = 2,979,288,737.52
  5. Step 5: Solve for x
    x = 2,979,288,737.52/49,216.40
  6. Step 6: Final answer
    x = 60,534.47

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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.