Home / 109,481.05-151,083.79-59,180.05

Finding the Fourth Proportional to 109,481.05, 151,083.79 and 59,180.05

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Solution

The fourth proportional to 109,481.05, 151,083.79 and 59,180.05 is: 81,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481.05 : 151,083.79 = 59,180.05 : x
  2. Step 2: Convert to fraction form
    109,481.05/151,083.79 = 59,180.05/x
  3. Step 3: Cross multiply
    109,481.05x = 151,083.79 × 59,180.05
  4. Step 4: Simplify right side
    109,481.05x = 8,941,146,246.39
  5. Step 5: Solve for x
    x = 8,941,146,246.39/109,481.05
  6. Step 6: Final answer
    x = 81,668.44

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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.