Home / 77,819.14-116,753.19-27,865.18

Finding the Fourth Proportional to 77,819.14, 116,753.19 and 27,865.18

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Solution

The fourth proportional to 77,819.14, 116,753.19 and 27,865.18 is: 41,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,819.14 : 116,753.19 = 27,865.18 : x
  2. Step 2: Convert to fraction form
    77,819.14/116,753.19 = 27,865.18/x
  3. Step 3: Cross multiply
    77,819.14x = 116,753.19 × 27,865.18
  4. Step 4: Simplify right side
    77,819.14x = 3,253,348,654.92
  5. Step 5: Solve for x
    x = 3,253,348,654.92/77,819.14
  6. Step 6: Final answer
    x = 41,806.54

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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.