Home / 76,450.34-114,644.46-26,519.88

Finding the Fourth Proportional to 76,450.34, 114,644.46 and 26,519.88

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Solution

The fourth proportional to 76,450.34, 114,644.46 and 26,519.88 is: 39,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,450.34 : 114,644.46 = 26,519.88 : x
  2. Step 2: Convert to fraction form
    76,450.34/114,644.46 = 26,519.88/x
  3. Step 3: Cross multiply
    76,450.34x = 114,644.46 × 26,519.88
  4. Step 4: Simplify right side
    76,450.34x = 3,040,357,321.86
  5. Step 5: Solve for x
    x = 3,040,357,321.86/76,450.34
  6. Step 6: Final answer
    x = 39,769.05

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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.