Home / 89,656.32-134,505.54-50,240.64

Finding the Fourth Proportional to 89,656.32, 134,505.54 and 50,240.64

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Solution

The fourth proportional to 89,656.32, 134,505.54 and 50,240.64 is: 75,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,656.32 : 134,505.54 = 50,240.64 : x
  2. Step 2: Convert to fraction form
    89,656.32/134,505.54 = 50,240.64/x
  3. Step 3: Cross multiply
    89,656.32x = 134,505.54 × 50,240.64
  4. Step 4: Simplify right side
    89,656.32x = 6,757,644,413.15
  5. Step 5: Solve for x
    x = 6,757,644,413.15/89,656.32
  6. Step 6: Final answer
    x = 75,372.76

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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.