Home / 89,842.20-123,983.10-49,557.66

Finding the Fourth Proportional to 89,842.20, 123,983.10 and 49,557.66

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Solution

The fourth proportional to 89,842.20, 123,983.10 and 49,557.66 is: 68,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,842.20 : 123,983.10 = 49,557.66 : x
  2. Step 2: Convert to fraction form
    89,842.20/123,983.10 = 49,557.66/x
  3. Step 3: Cross multiply
    89,842.20x = 123,983.10 × 49,557.66
  4. Step 4: Simplify right side
    89,842.20x = 6,144,312,315.55
  5. Step 5: Solve for x
    x = 6,144,312,315.55/89,842.20
  6. Step 6: Final answer
    x = 68,390.05

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