Home / 51,104.57-76,629.06-17,815.70

Finding the Fourth Proportional to 51,104.57, 76,629.06 and 17,815.70

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Solution

The fourth proportional to 51,104.57, 76,629.06 and 17,815.70 is: 26,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,104.57 : 76,629.06 = 17,815.70 : x
  2. Step 2: Convert to fraction form
    51,104.57/76,629.06 = 17,815.70/x
  3. Step 3: Cross multiply
    51,104.57x = 76,629.06 × 17,815.70
  4. Step 4: Simplify right side
    51,104.57x = 1,365,200,344.24
  5. Step 5: Solve for x
    x = 1,365,200,344.24/51,104.57
  6. Step 6: Final answer
    x = 26,713.86

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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.