Home / 49,825.60-68,720.47-31,922.30

Finding the Fourth Proportional to 49,825.60, 68,720.47 and 31,922.30

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Solution

The fourth proportional to 49,825.60, 68,720.47 and 31,922.30 is: 44,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,825.60 : 68,720.47 = 31,922.30 : x
  2. Step 2: Convert to fraction form
    49,825.60/68,720.47 = 31,922.30/x
  3. Step 3: Cross multiply
    49,825.60x = 68,720.47 × 31,922.30
  4. Step 4: Simplify right side
    49,825.60x = 2,193,715,551.48
  5. Step 5: Solve for x
    x = 2,193,715,551.48/49,825.60
  6. Step 6: Final answer
    x = 44,027.88

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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.