Home / 79,083.38-118,626.44-29,137.76

Finding the Fourth Proportional to 79,083.38, 118,626.44 and 29,137.76

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Solution

The fourth proportional to 79,083.38, 118,626.44 and 29,137.76 is: 43,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.38 : 118,626.44 = 29,137.76 : x
  2. Step 2: Convert to fraction form
    79,083.38/118,626.44 = 29,137.76/x
  3. Step 3: Cross multiply
    79,083.38x = 118,626.44 × 29,137.76
  4. Step 4: Simplify right side
    79,083.38x = 3,456,509,107.78
  5. Step 5: Solve for x
    x = 3,456,509,107.78/79,083.38
  6. Step 6: Final answer
    x = 43,707.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.