Home / 81,850.26-122,833.71-37,449.30

Finding the Fourth Proportional to 81,850.26, 122,833.71 and 37,449.30

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Solution

The fourth proportional to 81,850.26, 122,833.71 and 37,449.30 is: 56,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,850.26 : 122,833.71 = 37,449.30 : x
  2. Step 2: Convert to fraction form
    81,850.26/122,833.71 = 37,449.30/x
  3. Step 3: Cross multiply
    81,850.26x = 122,833.71 × 37,449.30
  4. Step 4: Simplify right side
    81,850.26x = 4,600,036,455.90
  5. Step 5: Solve for x
    x = 4,600,036,455.90/81,850.26
  6. Step 6: Final answer
    x = 56,200.63

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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.