Home / 109,961.80-164,921.10-36,089.80

Finding the Fourth Proportional to 109,961.80, 164,921.10 and 36,089.80

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Solution

The fourth proportional to 109,961.80, 164,921.10 and 36,089.80 is: 54,127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,961.80 : 164,921.10 = 36,089.80 : x
  2. Step 2: Convert to fraction form
    109,961.80/164,921.10 = 36,089.80/x
  3. Step 3: Cross multiply
    109,961.80x = 164,921.10 × 36,089.80
  4. Step 4: Simplify right side
    109,961.80x = 5,951,969,514.78
  5. Step 5: Solve for x
    x = 5,951,969,514.78/109,961.80
  6. Step 6: Final answer
    x = 54,127.61

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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.