Home / 49,965.72-68,942.52-29,816.16

Finding the Fourth Proportional to 49,965.72, 68,942.52 and 29,816.16

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Solution

The fourth proportional to 49,965.72, 68,942.52 and 29,816.16 is: 41,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.72 : 68,942.52 = 29,816.16 : x
  2. Step 2: Convert to fraction form
    49,965.72/68,942.52 = 29,816.16/x
  3. Step 3: Cross multiply
    49,965.72x = 68,942.52 × 29,816.16
  4. Step 4: Simplify right side
    49,965.72x = 2,055,601,207.12
  5. Step 5: Solve for x
    x = 2,055,601,207.12/49,965.72
  6. Step 6: Final answer
    x = 41,140.23

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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.