Home / 79,247.22-109,372.37-49,042.26

Finding the Fourth Proportional to 79,247.22, 109,372.37 and 49,042.26

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Solution

The fourth proportional to 79,247.22, 109,372.37 and 49,042.26 is: 67,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,247.22 : 109,372.37 = 49,042.26 : x
  2. Step 2: Convert to fraction form
    79,247.22/109,372.37 = 49,042.26/x
  3. Step 3: Cross multiply
    79,247.22x = 109,372.37 × 49,042.26
  4. Step 4: Simplify right side
    79,247.22x = 5,363,868,749.69
  5. Step 5: Solve for x
    x = 5,363,868,749.69/79,247.22
  6. Step 6: Final answer
    x = 67,685.26

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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.