Home / 107,668.44-161,491.32-28,790.64

Finding the Fourth Proportional to 107,668.44, 161,491.32 and 28,790.64

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Solution

The fourth proportional to 107,668.44, 161,491.32 and 28,790.64 is: 43,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,668.44 : 161,491.32 = 28,790.64 : x
  2. Step 2: Convert to fraction form
    107,668.44/161,491.32 = 28,790.64/x
  3. Step 3: Cross multiply
    107,668.44x = 161,491.32 × 28,790.64
  4. Step 4: Simplify right side
    107,668.44x = 4,649,438,457.24
  5. Step 5: Solve for x
    x = 4,649,438,457.24/107,668.44
  6. Step 6: Final answer
    x = 43,182.93

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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.