Home / 73,135.20-109,734.66-28,794.18

Finding the Fourth Proportional to 73,135.20, 109,734.66 and 28,794.18

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Solution

The fourth proportional to 73,135.20, 109,734.66 and 28,794.18 is: 43,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.20 : 109,734.66 = 28,794.18 : x
  2. Step 2: Convert to fraction form
    73,135.20/109,734.66 = 28,794.18/x
  3. Step 3: Cross multiply
    73,135.20x = 109,734.66 × 28,794.18
  4. Step 4: Simplify right side
    73,135.20x = 3,159,719,552.28
  5. Step 5: Solve for x
    x = 3,159,719,552.28/73,135.20
  6. Step 6: Final answer
    x = 43,203.81

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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.