Home / 107,908.20-161,862.30-60,474.60

Finding the Fourth Proportional to 107,908.20, 161,862.30 and 60,474.60

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Solution

The fourth proportional to 107,908.20, 161,862.30 and 60,474.60 is: 90,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,908.20 : 161,862.30 = 60,474.60 : x
  2. Step 2: Convert to fraction form
    107,908.20/161,862.30 = 60,474.60/x
  3. Step 3: Cross multiply
    107,908.20x = 161,862.30 × 60,474.60
  4. Step 4: Simplify right side
    107,908.20x = 9,788,557,847.58
  5. Step 5: Solve for x
    x = 9,788,557,847.58/107,908.20
  6. Step 6: Final answer
    x = 90,711.90

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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.