Home / 49,777.20-74,665.67-40,993.56

Finding the Fourth Proportional to 49,777.20, 74,665.67 and 40,993.56

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Solution

The fourth proportional to 49,777.20, 74,665.67 and 40,993.56 is: 61,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,777.20 : 74,665.67 = 40,993.56 : x
  2. Step 2: Convert to fraction form
    49,777.20/74,665.67 = 40,993.56/x
  3. Step 3: Cross multiply
    49,777.20x = 74,665.67 × 40,993.56
  4. Step 4: Simplify right side
    49,777.20x = 3,060,811,418.12
  5. Step 5: Solve for x
    x = 3,060,811,418.12/49,777.20
  6. Step 6: Final answer
    x = 61,490.23

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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.