Home / 50,156.11-69,201.43-39,512.71

Finding the Fourth Proportional to 50,156.11, 69,201.43 and 39,512.71

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Solution

The fourth proportional to 50,156.11, 69,201.43 and 39,512.71 is: 54,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,156.11 : 69,201.43 = 39,512.71 : x
  2. Step 2: Convert to fraction form
    50,156.11/69,201.43 = 39,512.71/x
  3. Step 3: Cross multiply
    50,156.11x = 69,201.43 × 39,512.71
  4. Step 4: Simplify right side
    50,156.11x = 2,734,336,035.18
  5. Step 5: Solve for x
    x = 2,734,336,035.18/50,156.11
  6. Step 6: Final answer
    x = 54,516.51

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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.