Home / 55,169.08-82,704.40-45,885.26

Finding the Fourth Proportional to 55,169.08, 82,704.40 and 45,885.26

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Solution

The fourth proportional to 55,169.08, 82,704.40 and 45,885.26 is: 68,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,169.08 : 82,704.40 = 45,885.26 : x
  2. Step 2: Convert to fraction form
    55,169.08/82,704.40 = 45,885.26/x
  3. Step 3: Cross multiply
    55,169.08x = 82,704.40 × 45,885.26
  4. Step 4: Simplify right side
    55,169.08x = 3,794,912,897.14
  5. Step 5: Solve for x
    x = 3,794,912,897.14/55,169.08
  6. Step 6: Final answer
    x = 68,786.95

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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.