Home / 107,963.20-161,906.40-48,827.20

Finding the Fourth Proportional to 107,963.20, 161,906.40 and 48,827.20

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Solution

The fourth proportional to 107,963.20, 161,906.40 and 48,827.20 is: 73,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,963.20 : 161,906.40 = 48,827.20 : x
  2. Step 2: Convert to fraction form
    107,963.20/161,906.40 = 48,827.20/x
  3. Step 3: Cross multiply
    107,963.20x = 161,906.40 × 48,827.20
  4. Step 4: Simplify right side
    107,963.20x = 7,905,436,174.08
  5. Step 5: Solve for x
    x = 7,905,436,174.08/107,963.20
  6. Step 6: Final answer
    x = 73,223.43

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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.