Home / 47,855.25-71,783.49-16,690.50

Finding the Fourth Proportional to 47,855.25, 71,783.49 and 16,690.50

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Solution

The fourth proportional to 47,855.25, 71,783.49 and 16,690.50 is: 25,035.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.25 : 71,783.49 = 16,690.50 : x
  2. Step 2: Convert to fraction form
    47,855.25/71,783.49 = 16,690.50/x
  3. Step 3: Cross multiply
    47,855.25x = 71,783.49 × 16,690.50
  4. Step 4: Simplify right side
    47,855.25x = 1,198,102,339.85
  5. Step 5: Solve for x
    x = 1,198,102,339.85/47,855.25
  6. Step 6: Final answer
    x = 25,035.96

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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.