Home / 106,115.14-146,442.90-58,372.66

Finding the Fourth Proportional to 106,115.14, 146,442.90 and 58,372.66

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Solution

The fourth proportional to 106,115.14, 146,442.90 and 58,372.66 is: 80,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,115.14 : 146,442.90 = 58,372.66 : x
  2. Step 2: Convert to fraction form
    106,115.14/146,442.90 = 58,372.66/x
  3. Step 3: Cross multiply
    106,115.14x = 146,442.90 × 58,372.66
  4. Step 4: Simplify right side
    106,115.14x = 8,548,261,611.11
  5. Step 5: Solve for x
    x = 8,548,261,611.11/106,115.14
  6. Step 6: Final answer
    x = 80,556.47

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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.