Home / 83,168.20-114,772.26-45,441.64

Finding the Fourth Proportional to 83,168.20, 114,772.26 and 45,441.64

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Solution

The fourth proportional to 83,168.20, 114,772.26 and 45,441.64 is: 62,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,168.20 : 114,772.26 = 45,441.64 : x
  2. Step 2: Convert to fraction form
    83,168.20/114,772.26 = 45,441.64/x
  3. Step 3: Cross multiply
    83,168.20x = 114,772.26 × 45,441.64
  4. Step 4: Simplify right side
    83,168.20x = 5,215,439,720.91
  5. Step 5: Solve for x
    x = 5,215,439,720.91/83,168.20
  6. Step 6: Final answer
    x = 62,709.54

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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.