Home / 50,334.64-75,511.06-20,736.02

Finding the Fourth Proportional to 50,334.64, 75,511.06 and 20,736.02

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Solution

The fourth proportional to 50,334.64, 75,511.06 and 20,736.02 is: 31,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,334.64 : 75,511.06 = 20,736.02 : x
  2. Step 2: Convert to fraction form
    50,334.64/75,511.06 = 20,736.02/x
  3. Step 3: Cross multiply
    50,334.64x = 75,511.06 × 20,736.02
  4. Step 4: Simplify right side
    50,334.64x = 1,565,798,850.38
  5. Step 5: Solve for x
    x = 1,565,798,850.38/50,334.64
  6. Step 6: Final answer
    x = 31,107.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.