Home / 109,599.30-151,249.05-61,843.43

Finding the Fourth Proportional to 109,599.30, 151,249.05 and 61,843.43

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Solution

The fourth proportional to 109,599.30, 151,249.05 and 61,843.43 is: 85,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,599.30 : 151,249.05 = 61,843.43 : x
  2. Step 2: Convert to fraction form
    109,599.30/151,249.05 = 61,843.43/x
  3. Step 3: Cross multiply
    109,599.30x = 151,249.05 × 61,843.43
  4. Step 4: Simplify right side
    109,599.30x = 9,353,760,414.36
  5. Step 5: Solve for x
    x = 9,353,760,414.36/109,599.30
  6. Step 6: Final answer
    x = 85,345.07

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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.