Home / 47,812.68-71,747.85-16,669.80

Finding the Fourth Proportional to 47,812.68, 71,747.85 and 16,669.80

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Solution

The fourth proportional to 47,812.68, 71,747.85 and 16,669.80 is: 25,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,812.68 : 71,747.85 = 16,669.80 : x
  2. Step 2: Convert to fraction form
    47,812.68/71,747.85 = 16,669.80/x
  3. Step 3: Cross multiply
    47,812.68x = 71,747.85 × 16,669.80
  4. Step 4: Simplify right side
    47,812.68x = 1,196,022,309.93
  5. Step 5: Solve for x
    x = 1,196,022,309.93/47,812.68
  6. Step 6: Final answer
    x = 25,014.75

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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.