Home / 50,611.20-75,918.60-15,550.80

Finding the Fourth Proportional to 50,611.20, 75,918.60 and 15,550.80

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Solution

The fourth proportional to 50,611.20, 75,918.60 and 15,550.80 is: 23,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,611.20 : 75,918.60 = 15,550.80 : x
  2. Step 2: Convert to fraction form
    50,611.20/75,918.60 = 15,550.80/x
  3. Step 3: Cross multiply
    50,611.20x = 75,918.60 × 15,550.80
  4. Step 4: Simplify right side
    50,611.20x = 1,180,594,964.88
  5. Step 5: Solve for x
    x = 1,180,594,964.88/50,611.20
  6. Step 6: Final answer
    x = 23,326.75

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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.