Home / 107,921.28-161,954.64-37,801.20

Finding the Fourth Proportional to 107,921.28, 161,954.64 and 37,801.20

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Solution

The fourth proportional to 107,921.28, 161,954.64 and 37,801.20 is: 56,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,921.28 : 161,954.64 = 37,801.20 : x
  2. Step 2: Convert to fraction form
    107,921.28/161,954.64 = 37,801.20/x
  3. Step 3: Cross multiply
    107,921.28x = 161,954.64 × 37,801.20
  4. Step 4: Simplify right side
    107,921.28x = 6,122,079,737.57
  5. Step 5: Solve for x
    x = 6,122,079,737.57/107,921.28
  6. Step 6: Final answer
    x = 56,727.27

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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.