Home / 49,735.25-74,625.43-45,530.72

Finding the Fourth Proportional to 49,735.25, 74,625.43 and 45,530.72

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Solution

The fourth proportional to 49,735.25, 74,625.43 and 45,530.72 is: 68,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,735.25 : 74,625.43 = 45,530.72 : x
  2. Step 2: Convert to fraction form
    49,735.25/74,625.43 = 45,530.72/x
  3. Step 3: Cross multiply
    49,735.25x = 74,625.43 × 45,530.72
  4. Step 4: Simplify right side
    49,735.25x = 3,397,749,185.08
  5. Step 5: Solve for x
    x = 3,397,749,185.08/49,735.25
  6. Step 6: Final answer
    x = 68,316.73

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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.