Home / 80,310.09-110,824.94-46,320

Finding the Fourth Proportional to 80,310.09, 110,824.94 and 46,320

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Solution

The fourth proportional to 80,310.09, 110,824.94 and 46,320 is: 63,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,310.09 : 110,824.94 = 46,320 : x
  2. Step 2: Convert to fraction form
    80,310.09/110,824.94 = 46,320/x
  3. Step 3: Cross multiply
    80,310.09x = 110,824.94 × 46,320
  4. Step 4: Simplify right side
    80,310.09x = 5,133,410,989.20
  5. Step 5: Solve for x
    x = 5,133,410,989.20/80,310.09
  6. Step 6: Final answer
    x = 63,919.88

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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.