Home / 107,464.72-161,203.92-60,079.36

Finding the Fourth Proportional to 107,464.72, 161,203.92 and 60,079.36

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Solution

The fourth proportional to 107,464.72, 161,203.92 and 60,079.36 is: 90,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,464.72 : 161,203.92 = 60,079.36 : x
  2. Step 2: Convert to fraction form
    107,464.72/161,203.92 = 60,079.36/x
  3. Step 3: Cross multiply
    107,464.72x = 161,203.92 × 60,079.36
  4. Step 4: Simplify right side
    107,464.72x = 9,685,028,343.09
  5. Step 5: Solve for x
    x = 9,685,028,343.09/107,464.72
  6. Step 6: Final answer
    x = 90,122.86

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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.