Home / 48,729.20-73,288.20-43,674.80

Finding the Fourth Proportional to 48,729.20, 73,288.20 and 43,674.80

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Solution

The fourth proportional to 48,729.20, 73,288.20 and 43,674.80 is: 65,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,729.20 : 73,288.20 = 43,674.80 : x
  2. Step 2: Convert to fraction form
    48,729.20/73,288.20 = 43,674.80/x
  3. Step 3: Cross multiply
    48,729.20x = 73,288.20 × 43,674.80
  4. Step 4: Simplify right side
    48,729.20x = 3,200,847,477.36
  5. Step 5: Solve for x
    x = 3,200,847,477.36/48,729.20
  6. Step 6: Final answer
    x = 65,686.44

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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.