Home / 50,704.20-76,056.30-15,643.80

Finding the Fourth Proportional to 50,704.20, 76,056.30 and 15,643.80

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Solution

The fourth proportional to 50,704.20, 76,056.30 and 15,643.80 is: 23,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,704.20 : 76,056.30 = 15,643.80 : x
  2. Step 2: Convert to fraction form
    50,704.20/76,056.30 = 15,643.80/x
  3. Step 3: Cross multiply
    50,704.20x = 76,056.30 × 15,643.80
  4. Step 4: Simplify right side
    50,704.20x = 1,189,809,545.94
  5. Step 5: Solve for x
    x = 1,189,809,545.94/50,704.20
  6. Step 6: Final answer
    x = 23,465.70

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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.