Home / 49,715.90-68,529.21-36,772.55

Finding the Fourth Proportional to 49,715.90, 68,529.21 and 36,772.55

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Solution

The fourth proportional to 49,715.90, 68,529.21 and 36,772.55 is: 50,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,715.90 : 68,529.21 = 36,772.55 : x
  2. Step 2: Convert to fraction form
    49,715.90/68,529.21 = 36,772.55/x
  3. Step 3: Cross multiply
    49,715.90x = 68,529.21 × 36,772.55
  4. Step 4: Simplify right side
    49,715.90x = 2,519,993,801.19
  5. Step 5: Solve for x
    x = 2,519,993,801.19/49,715.90
  6. Step 6: Final answer
    x = 50,687.88

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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.