Home / 61,786.18-92,449.63-36,839.80

Finding the Fourth Proportional to 61,786.18, 92,449.63 and 36,839.80

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Solution

The fourth proportional to 61,786.18, 92,449.63 and 36,839.80 is: 55,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.18 : 92,449.63 = 36,839.80 : x
  2. Step 2: Convert to fraction form
    61,786.18/92,449.63 = 36,839.80/x
  3. Step 3: Cross multiply
    61,786.18x = 92,449.63 × 36,839.80
  4. Step 4: Simplify right side
    61,786.18x = 3,405,825,879.27
  5. Step 5: Solve for x
    x = 3,405,825,879.27/61,786.18
  6. Step 6: Final answer
    x = 55,122.78

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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.