Home / 79,896.22-110,296.70-49,691.28

Finding the Fourth Proportional to 79,896.22, 110,296.70 and 49,691.28

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Solution

The fourth proportional to 79,896.22, 110,296.70 and 49,691.28 is: 68,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,896.22 : 110,296.70 = 49,691.28 : x
  2. Step 2: Convert to fraction form
    79,896.22/110,296.70 = 49,691.28/x
  3. Step 3: Cross multiply
    79,896.22x = 110,296.70 × 49,691.28
  4. Step 4: Simplify right side
    79,896.22x = 5,480,784,523.58
  5. Step 5: Solve for x
    x = 5,480,784,523.58/79,896.22
  6. Step 6: Final answer
    x = 68,598.79

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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.