Home / 79,896.21-110,296.69-49,691.27

Finding the Fourth Proportional to 79,896.21, 110,296.69 and 49,691.27

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Solution

The fourth proportional to 79,896.21, 110,296.69 and 49,691.27 is: 68,598.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,896.21 : 110,296.69 = 49,691.27 : x
  2. Step 2: Convert to fraction form
    79,896.21/110,296.69 = 49,691.27/x
  3. Step 3: Cross multiply
    79,896.21x = 110,296.69 × 49,691.27
  4. Step 4: Simplify right side
    79,896.21x = 5,480,781,802.96
  5. Step 5: Solve for x
    x = 5,480,781,802.96/79,896.21
  6. Step 6: Final answer
    x = 68,598.77

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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.