Home / 107,729.90-161,668.66-37,609.21

Finding the Fourth Proportional to 107,729.90, 161,668.66 and 37,609.21

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Solution

The fourth proportional to 107,729.90, 161,668.66 and 37,609.21 is: 56,439.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,729.90 : 161,668.66 = 37,609.21 : x
  2. Step 2: Convert to fraction form
    107,729.90/161,668.66 = 37,609.21/x
  3. Step 3: Cross multiply
    107,729.90x = 161,668.66 × 37,609.21
  4. Step 4: Simplify right side
    107,729.90x = 6,080,230,584.36
  5. Step 5: Solve for x
    x = 6,080,230,584.36/107,729.90
  6. Step 6: Final answer
    x = 56,439.58

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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.