Home / 107,949.20-161,885.40-48,813.20

Finding the Fourth Proportional to 107,949.20, 161,885.40 and 48,813.20

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Solution

The fourth proportional to 107,949.20, 161,885.40 and 48,813.20 is: 73,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,949.20 : 161,885.40 = 48,813.20 : x
  2. Step 2: Convert to fraction form
    107,949.20/161,885.40 = 48,813.20/x
  3. Step 3: Cross multiply
    107,949.20x = 161,885.40 × 48,813.20
  4. Step 4: Simplify right side
    107,949.20x = 7,902,144,407.28
  5. Step 5: Solve for x
    x = 7,902,144,407.28/107,949.20
  6. Step 6: Final answer
    x = 73,202.44

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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.