Home / 50,118.40-74,961.60-44,891.20

Finding the Fourth Proportional to 50,118.40, 74,961.60 and 44,891.20

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Solution

The fourth proportional to 50,118.40, 74,961.60 and 44,891.20 is: 67,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,118.40 : 74,961.60 = 44,891.20 : x
  2. Step 2: Convert to fraction form
    50,118.40/74,961.60 = 44,891.20/x
  3. Step 3: Cross multiply
    50,118.40x = 74,961.60 × 44,891.20
  4. Step 4: Simplify right side
    50,118.40x = 3,365,116,177.92
  5. Step 5: Solve for x
    x = 3,365,116,177.92/50,118.40
  6. Step 6: Final answer
    x = 67,143.33

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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.