Home / 107,742.66-161,623.20-32,879.64

Finding the Fourth Proportional to 107,742.66, 161,623.20 and 32,879.64

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Solution

The fourth proportional to 107,742.66, 161,623.20 and 32,879.64 is: 49,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,742.66 : 161,623.20 = 32,879.64 : x
  2. Step 2: Convert to fraction form
    107,742.66/161,623.20 = 32,879.64/x
  3. Step 3: Cross multiply
    107,742.66x = 161,623.20 × 32,879.64
  4. Step 4: Simplify right side
    107,742.66x = 5,314,112,631.65
  5. Step 5: Solve for x
    x = 5,314,112,631.65/107,742.66
  6. Step 6: Final answer
    x = 49,322.27

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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.