Home / 79,126.30-109,194.38-44,671.33

Finding the Fourth Proportional to 79,126.30, 109,194.38 and 44,671.33

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Solution

The fourth proportional to 79,126.30, 109,194.38 and 44,671.33 is: 61,646.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126.30 : 109,194.38 = 44,671.33 : x
  2. Step 2: Convert to fraction form
    79,126.30/109,194.38 = 44,671.33/x
  3. Step 3: Cross multiply
    79,126.30x = 109,194.38 × 44,671.33
  4. Step 4: Simplify right side
    79,126.30x = 4,877,858,183.13
  5. Step 5: Solve for x
    x = 4,877,858,183.13/79,126.30
  6. Step 6: Final answer
    x = 61,646.48

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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.