Home / 49,591.75-68,442.86-30,731.71

Finding the Fourth Proportional to 49,591.75, 68,442.86 and 30,731.71

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Solution

The fourth proportional to 49,591.75, 68,442.86 and 30,731.71 is: 42,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,591.75 : 68,442.86 = 30,731.71 : x
  2. Step 2: Convert to fraction form
    49,591.75/68,442.86 = 30,731.71/x
  3. Step 3: Cross multiply
    49,591.75x = 68,442.86 × 30,731.71
  4. Step 4: Simplify right side
    49,591.75x = 2,103,366,125.09
  5. Step 5: Solve for x
    x = 2,103,366,125.09/49,591.75
  6. Step 6: Final answer
    x = 42,413.63

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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.