Home / 115,422.56-173,155.20-36,556.64

Finding the Fourth Proportional to 115,422.56, 173,155.20 and 36,556.64

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Solution

The fourth proportional to 115,422.56, 173,155.20 and 36,556.64 is: 54,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,422.56 : 173,155.20 = 36,556.64 : x
  2. Step 2: Convert to fraction form
    115,422.56/173,155.20 = 36,556.64/x
  3. Step 3: Cross multiply
    115,422.56x = 173,155.20 × 36,556.64
  4. Step 4: Simplify right side
    115,422.56x = 6,329,972,310.53
  5. Step 5: Solve for x
    x = 6,329,972,310.53/115,422.56
  6. Step 6: Final answer
    x = 54,841.73

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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.