Home / 49,956.75-74,933.40-12,517.16

Finding the Fourth Proportional to 49,956.75, 74,933.40 and 12,517.16

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Solution

The fourth proportional to 49,956.75, 74,933.40 and 12,517.16 is: 18,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.75 : 74,933.40 = 12,517.16 : x
  2. Step 2: Convert to fraction form
    49,956.75/74,933.40 = 12,517.16/x
  3. Step 3: Cross multiply
    49,956.75x = 74,933.40 × 12,517.16
  4. Step 4: Simplify right side
    49,956.75x = 937,952,982.48
  5. Step 5: Solve for x
    x = 937,952,982.48/49,956.75
  6. Step 6: Final answer
    x = 18,775.30

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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.