Home / 80,634.54-111,279.78-44,825.28

Finding the Fourth Proportional to 80,634.54, 111,279.78 and 44,825.28

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Solution

The fourth proportional to 80,634.54, 111,279.78 and 44,825.28 is: 61,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,634.54 : 111,279.78 = 44,825.28 : x
  2. Step 2: Convert to fraction form
    80,634.54/111,279.78 = 44,825.28/x
  3. Step 3: Cross multiply
    80,634.54x = 111,279.78 × 44,825.28
  4. Step 4: Simplify right side
    80,634.54x = 4,988,147,296.84
  5. Step 5: Solve for x
    x = 4,988,147,296.84/80,634.54
  6. Step 6: Final answer
    x = 61,861.17

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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.