Home / 54,285.62-74,922.07-30,413.91

Finding the Fourth Proportional to 54,285.62, 74,922.07 and 30,413.91

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Solution

The fourth proportional to 54,285.62, 74,922.07 and 30,413.91 is: 41,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.62 : 74,922.07 = 30,413.91 : x
  2. Step 2: Convert to fraction form
    54,285.62/74,922.07 = 30,413.91/x
  3. Step 3: Cross multiply
    54,285.62x = 74,922.07 × 30,413.91
  4. Step 4: Simplify right side
    54,285.62x = 2,278,673,093.99
  5. Step 5: Solve for x
    x = 2,278,673,093.99/54,285.62
  6. Step 6: Final answer
    x = 41,975.63

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1.5x scale

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.