Home / 51,245.34-76,870.31-15,704.05

Finding the Fourth Proportional to 51,245.34, 76,870.31 and 15,704.05

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Solution

The fourth proportional to 51,245.34, 76,870.31 and 15,704.05 is: 23,556.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.34 : 76,870.31 = 15,704.05 : x
  2. Step 2: Convert to fraction form
    51,245.34/76,870.31 = 15,704.05/x
  3. Step 3: Cross multiply
    51,245.34x = 76,870.31 × 15,704.05
  4. Step 4: Simplify right side
    51,245.34x = 1,207,175,191.76
  5. Step 5: Solve for x
    x = 1,207,175,191.76/51,245.34
  6. Step 6: Final answer
    x = 23,556.78

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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.