Home / 80,418.24-110,972.16-48,568.32

Finding the Fourth Proportional to 80,418.24, 110,972.16 and 48,568.32

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Solution

The fourth proportional to 80,418.24, 110,972.16 and 48,568.32 is: 67,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,418.24 : 110,972.16 = 48,568.32 : x
  2. Step 2: Convert to fraction form
    80,418.24/110,972.16 = 48,568.32/x
  3. Step 3: Cross multiply
    80,418.24x = 110,972.16 × 48,568.32
  4. Step 4: Simplify right side
    80,418.24x = 5,389,731,377.97
  5. Step 5: Solve for x
    x = 5,389,731,377.97/80,418.24
  6. Step 6: Final answer
    x = 67,021.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.