Home / 55,125.49-82,687.92-20,065.15

Finding the Fourth Proportional to 55,125.49, 82,687.92 and 20,065.15

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Solution

The fourth proportional to 55,125.49, 82,687.92 and 20,065.15 is: 30,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,125.49 : 82,687.92 = 20,065.15 : x
  2. Step 2: Convert to fraction form
    55,125.49/82,687.92 = 20,065.15/x
  3. Step 3: Cross multiply
    55,125.49x = 82,687.92 × 20,065.15
  4. Step 4: Simplify right side
    55,125.49x = 1,659,145,517.99
  5. Step 5: Solve for x
    x = 1,659,145,517.99/55,125.49
  6. Step 6: Final answer
    x = 30,097.61

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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.