Home / 79,081.38-118,545.87-29,134.19

Finding the Fourth Proportional to 79,081.38, 118,545.87 and 29,134.19

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Solution

The fourth proportional to 79,081.38, 118,545.87 and 29,134.19 is: 43,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,081.38 : 118,545.87 = 29,134.19 : x
  2. Step 2: Convert to fraction form
    79,081.38/118,545.87 = 29,134.19/x
  3. Step 3: Cross multiply
    79,081.38x = 118,545.87 × 29,134.19
  4. Step 4: Simplify right side
    79,081.38x = 3,453,737,900.30
  5. Step 5: Solve for x
    x = 3,453,737,900.30/79,081.38
  6. Step 6: Final answer
    x = 43,673.21

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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.