Home / 95,639.78-131,982.51-53,198.32

Finding the Fourth Proportional to 95,639.78, 131,982.51 and 53,198.32

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Solution

The fourth proportional to 95,639.78, 131,982.51 and 53,198.32 is: 73,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,639.78 : 131,982.51 = 53,198.32 : x
  2. Step 2: Convert to fraction form
    95,639.78/131,982.51 = 53,198.32/x
  3. Step 3: Cross multiply
    95,639.78x = 131,982.51 × 53,198.32
  4. Step 4: Simplify right side
    95,639.78x = 7,021,247,801.38
  5. Step 5: Solve for x
    x = 7,021,247,801.38/95,639.78
  6. Step 6: Final answer
    x = 73,413.47

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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.