Home / 107,851.20-161,728.20-41,269.20

Finding the Fourth Proportional to 107,851.20, 161,728.20 and 41,269.20

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Solution

The fourth proportional to 107,851.20, 161,728.20 and 41,269.20 is: 61,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,851.20 : 161,728.20 = 41,269.20 : x
  2. Step 2: Convert to fraction form
    107,851.20/161,728.20 = 41,269.20/x
  3. Step 3: Cross multiply
    107,851.20x = 161,728.20 × 41,269.20
  4. Step 4: Simplify right side
    107,851.20x = 6,674,393,431.44
  5. Step 5: Solve for x
    x = 6,674,393,431.44/107,851.20
  6. Step 6: Final answer
    x = 61,885.20

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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.