Home / 107,839.60-161,716.20-37,682.80

Finding the Fourth Proportional to 107,839.60, 161,716.20 and 37,682.80

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Solution

The fourth proportional to 107,839.60, 161,716.20 and 37,682.80 is: 56,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839.60 : 161,716.20 = 37,682.80 : x
  2. Step 2: Convert to fraction form
    107,839.60/161,716.20 = 37,682.80/x
  3. Step 3: Cross multiply
    107,839.60x = 161,716.20 × 37,682.80
  4. Step 4: Simplify right side
    107,839.60x = 6,093,919,221.36
  5. Step 5: Solve for x
    x = 6,093,919,221.36/107,839.60
  6. Step 6: Final answer
    x = 56,509.10

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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.