Home / 83,704.24-115,463.64-50,150.80

Finding the Fourth Proportional to 83,704.24, 115,463.64 and 50,150.80

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Solution

The fourth proportional to 83,704.24, 115,463.64 and 50,150.80 is: 69,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,704.24 : 115,463.64 = 50,150.80 : x
  2. Step 2: Convert to fraction form
    83,704.24/115,463.64 = 50,150.80/x
  3. Step 3: Cross multiply
    83,704.24x = 115,463.64 × 50,150.80
  4. Step 4: Simplify right side
    83,704.24x = 5,790,593,916.91
  5. Step 5: Solve for x
    x = 5,790,593,916.91/83,704.24
  6. Step 6: Final answer
    x = 69,179.22

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1.5x scale

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.