Home / 51,217.27-76,834.97-15,677.80

Finding the Fourth Proportional to 51,217.27, 76,834.97 and 15,677.80

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Solution

The fourth proportional to 51,217.27, 76,834.97 and 15,677.80 is: 23,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.27 : 76,834.97 = 15,677.80 : x
  2. Step 2: Convert to fraction form
    51,217.27/76,834.97 = 15,677.80/x
  3. Step 3: Cross multiply
    51,217.27x = 76,834.97 × 15,677.80
  4. Step 4: Simplify right side
    51,217.27x = 1,204,602,830.10
  5. Step 5: Solve for x
    x = 1,204,602,830.10/51,217.27
  6. Step 6: Final answer
    x = 23,519.47

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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.