Home / 89,850.39-123,994.26-49,565.52

Finding the Fourth Proportional to 89,850.39, 123,994.26 and 49,565.52

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Solution

The fourth proportional to 89,850.39, 123,994.26 and 49,565.52 is: 68,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,850.39 : 123,994.26 = 49,565.52 : x
  2. Step 2: Convert to fraction form
    89,850.39/123,994.26 = 49,565.52/x
  3. Step 3: Cross multiply
    89,850.39x = 123,994.26 × 49,565.52
  4. Step 4: Simplify right side
    89,850.39x = 6,145,839,973.92
  5. Step 5: Solve for x
    x = 6,145,839,973.92/89,850.39
  6. Step 6: Final answer
    x = 68,400.82

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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.