Home / 107,786.36-161,679.85-37,665.68

Finding the Fourth Proportional to 107,786.36, 161,679.85 and 37,665.68

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Solution

The fourth proportional to 107,786.36, 161,679.85 and 37,665.68 is: 56,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,786.36 : 161,679.85 = 37,665.68 : x
  2. Step 2: Convert to fraction form
    107,786.36/161,679.85 = 37,665.68/x
  3. Step 3: Cross multiply
    107,786.36x = 161,679.85 × 37,665.68
  4. Step 4: Simplify right side
    107,786.36x = 6,089,780,589.98
  5. Step 5: Solve for x
    x = 6,089,780,589.98/107,786.36
  6. Step 6: Final answer
    x = 56,498.62

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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.