Home / 115,743.80-173,625.30-36,855.80

Finding the Fourth Proportional to 115,743.80, 173,625.30 and 36,855.80

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Solution

The fourth proportional to 115,743.80, 173,625.30 and 36,855.80 is: 55,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743.80 : 173,625.30 = 36,855.80 : x
  2. Step 2: Convert to fraction form
    115,743.80/173,625.30 = 36,855.80/x
  3. Step 3: Cross multiply
    115,743.80x = 173,625.30 × 36,855.80
  4. Step 4: Simplify right side
    115,743.80x = 6,399,099,331.74
  5. Step 5: Solve for x
    x = 6,399,099,331.74/115,743.80
  6. Step 6: Final answer
    x = 55,286.76

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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.