Home / 80,004.06-119,971.89-27,418.86

Finding the Fourth Proportional to 80,004.06, 119,971.89 and 27,418.86

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Solution

The fourth proportional to 80,004.06, 119,971.89 and 27,418.86 is: 41,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,004.06 : 119,971.89 = 27,418.86 : x
  2. Step 2: Convert to fraction form
    80,004.06/119,971.89 = 27,418.86/x
  3. Step 3: Cross multiply
    80,004.06x = 119,971.89 × 27,418.86
  4. Step 4: Simplify right side
    80,004.06x = 3,289,492,455.85
  5. Step 5: Solve for x
    x = 3,289,492,455.85/80,004.06
  6. Step 6: Final answer
    x = 41,116.57

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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.