Home / 107,396.85-161,082.93-28,517.25

Finding the Fourth Proportional to 107,396.85, 161,082.93 and 28,517.25

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Solution

The fourth proportional to 107,396.85, 161,082.93 and 28,517.25 is: 42,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,396.85 : 161,082.93 = 28,517.25 : x
  2. Step 2: Convert to fraction form
    107,396.85/161,082.93 = 28,517.25/x
  3. Step 3: Cross multiply
    107,396.85x = 161,082.93 × 28,517.25
  4. Step 4: Simplify right side
    107,396.85x = 4,593,642,185.54
  5. Step 5: Solve for x
    x = 4,593,642,185.54/107,396.85
  6. Step 6: Final answer
    x = 42,772.60

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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.