Home / 89,170.46-123,054.45-48,883.49

Finding the Fourth Proportional to 89,170.46, 123,054.45 and 48,883.49

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Solution

The fourth proportional to 89,170.46, 123,054.45 and 48,883.49 is: 67,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,170.46 : 123,054.45 = 48,883.49 : x
  2. Step 2: Convert to fraction form
    89,170.46/123,054.45 = 48,883.49/x
  3. Step 3: Cross multiply
    89,170.46x = 123,054.45 × 48,883.49
  4. Step 4: Simplify right side
    89,170.46x = 6,015,330,976.03
  5. Step 5: Solve for x
    x = 6,015,330,976.03/89,170.46
  6. Step 6: Final answer
    x = 67,458.79

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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.