Home / 79,083.38-118,548.87-29,136.19

Finding the Fourth Proportional to 79,083.38, 118,548.87 and 29,136.19

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Solution

The fourth proportional to 79,083.38, 118,548.87 and 29,136.19 is: 43,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.38 : 118,548.87 = 29,136.19 : x
  2. Step 2: Convert to fraction form
    79,083.38/118,548.87 = 29,136.19/x
  3. Step 3: Cross multiply
    79,083.38x = 118,548.87 × 29,136.19
  4. Step 4: Simplify right side
    79,083.38x = 3,454,062,400.61
  5. Step 5: Solve for x
    x = 3,454,062,400.61/79,083.38
  6. Step 6: Final answer
    x = 43,676.21

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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.