Home / 78,865.37-108,843.76-44,882.12

Finding the Fourth Proportional to 78,865.37, 108,843.76 and 44,882.12

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Solution

The fourth proportional to 78,865.37, 108,843.76 and 44,882.12 is: 61,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,865.37 : 108,843.76 = 44,882.12 : x
  2. Step 2: Convert to fraction form
    78,865.37/108,843.76 = 44,882.12/x
  3. Step 3: Cross multiply
    78,865.37x = 108,843.76 × 44,882.12
  4. Step 4: Simplify right side
    78,865.37x = 4,885,138,473.16
  5. Step 5: Solve for x
    x = 4,885,138,473.16/78,865.37
  6. Step 6: Final answer
    x = 61,942.76

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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.