Home / 49,672.12-68,557.26-28,465.60

Finding the Fourth Proportional to 49,672.12, 68,557.26 and 28,465.60

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Solution

The fourth proportional to 49,672.12, 68,557.26 and 28,465.60 is: 39,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672.12 : 68,557.26 = 28,465.60 : x
  2. Step 2: Convert to fraction form
    49,672.12/68,557.26 = 28,465.60/x
  3. Step 3: Cross multiply
    49,672.12x = 68,557.26 × 28,465.60
  4. Step 4: Simplify right side
    49,672.12x = 1,951,523,540.26
  5. Step 5: Solve for x
    x = 1,951,523,540.26/49,672.12
  6. Step 6: Final answer
    x = 39,288.11

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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.