Home / 74,933.87-103,288.64-50,727.20

Finding the Fourth Proportional to 74,933.87, 103,288.64 and 50,727.20

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Solution

The fourth proportional to 74,933.87, 103,288.64 and 50,727.20 is: 69,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.87 : 103,288.64 = 50,727.20 : x
  2. Step 2: Convert to fraction form
    74,933.87/103,288.64 = 50,727.20/x
  3. Step 3: Cross multiply
    74,933.87x = 103,288.64 × 50,727.20
  4. Step 4: Simplify right side
    74,933.87x = 5,239,542,728.93
  5. Step 5: Solve for x
    x = 5,239,542,728.93/74,933.87
  6. Step 6: Final answer
    x = 69,922.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.