Home / 55,146.12-82,717.50-32,809.96

Finding the Fourth Proportional to 55,146.12, 82,717.50 and 32,809.96

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Solution

The fourth proportional to 55,146.12, 82,717.50 and 32,809.96 is: 49,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,146.12 : 82,717.50 = 32,809.96 : x
  2. Step 2: Convert to fraction form
    55,146.12/82,717.50 = 32,809.96/x
  3. Step 3: Cross multiply
    55,146.12x = 82,717.50 × 32,809.96
  4. Step 4: Simplify right side
    55,146.12x = 2,713,958,092.73
  5. Step 5: Solve for x
    x = 2,713,958,092.73/55,146.12
  6. Step 6: Final answer
    x = 49,213.95

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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.