Home / 49,868.87-68,844.47-38,512.87

Finding the Fourth Proportional to 49,868.87, 68,844.47 and 38,512.87

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Solution

The fourth proportional to 49,868.87, 68,844.47 and 38,512.87 is: 53,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.87 : 68,844.47 = 38,512.87 : x
  2. Step 2: Convert to fraction form
    49,868.87/68,844.47 = 38,512.87/x
  3. Step 3: Cross multiply
    49,868.87x = 68,844.47 × 38,512.87
  4. Step 4: Simplify right side
    49,868.87x = 2,651,397,758.65
  5. Step 5: Solve for x
    x = 2,651,397,758.65/49,868.87
  6. Step 6: Final answer
    x = 53,167.40

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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.