Home / 45,481.13-68,138.57-32,970.12

Finding the Fourth Proportional to 45,481.13, 68,138.57 and 32,970.12

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Solution

The fourth proportional to 45,481.13, 68,138.57 and 32,970.12 is: 49,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.13 : 68,138.57 = 32,970.12 : x
  2. Step 2: Convert to fraction form
    45,481.13/68,138.57 = 32,970.12/x
  3. Step 3: Cross multiply
    45,481.13x = 68,138.57 × 32,970.12
  4. Step 4: Simplify right side
    45,481.13x = 2,246,536,664.68
  5. Step 5: Solve for x
    x = 2,246,536,664.68/45,481.13
  6. Step 6: Final answer
    x = 49,394.92

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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.