Home / 76,072.65-114,081.03-26,138.58

Finding the Fourth Proportional to 76,072.65, 114,081.03 and 26,138.58

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Solution

The fourth proportional to 76,072.65, 114,081.03 and 26,138.58 is: 39,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,072.65 : 114,081.03 = 26,138.58 : x
  2. Step 2: Convert to fraction form
    76,072.65/114,081.03 = 26,138.58/x
  3. Step 3: Cross multiply
    76,072.65x = 114,081.03 × 26,138.58
  4. Step 4: Simplify right side
    76,072.65x = 2,981,916,129.14
  5. Step 5: Solve for x
    x = 2,981,916,129.14/76,072.65
  6. Step 6: Final answer
    x = 39,198.27

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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.