Home / 115,916.55-173,791.80-44,778.30

Finding the Fourth Proportional to 115,916.55, 173,791.80 and 44,778.30

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Solution

The fourth proportional to 115,916.55, 173,791.80 and 44,778.30 is: 67,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,916.55 : 173,791.80 = 44,778.30 : x
  2. Step 2: Convert to fraction form
    115,916.55/173,791.80 = 44,778.30/x
  3. Step 3: Cross multiply
    115,916.55x = 173,791.80 × 44,778.30
  4. Step 4: Simplify right side
    115,916.55x = 7,782,101,357.94
  5. Step 5: Solve for x
    x = 7,782,101,357.94/115,916.55
  6. Step 6: Final answer
    x = 67,135.38

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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.