Home / 80,138.30-110,592.81-44,329.01

Finding the Fourth Proportional to 80,138.30, 110,592.81 and 44,329.01

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Solution

The fourth proportional to 80,138.30, 110,592.81 and 44,329.01 is: 61,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,138.30 : 110,592.81 = 44,329.01 : x
  2. Step 2: Convert to fraction form
    80,138.30/110,592.81 = 44,329.01/x
  3. Step 3: Cross multiply
    80,138.30x = 110,592.81 × 44,329.01
  4. Step 4: Simplify right side
    80,138.30x = 4,902,469,227.45
  5. Step 5: Solve for x
    x = 4,902,469,227.45/80,138.30
  6. Step 6: Final answer
    x = 61,175.11

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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.