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Finding the Fourth Proportional to 89,670.65, 123,748.66 and 49,387.47

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Solution

The fourth proportional to 89,670.65, 123,748.66 and 49,387.47 is: 68,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,670.65 : 123,748.66 = 49,387.47 : x
  2. Step 2: Convert to fraction form
    89,670.65/123,748.66 = 49,387.47/x
  3. Step 3: Cross multiply
    89,670.65x = 123,748.66 × 49,387.47
  4. Step 4: Simplify right side
    89,670.65x = 6,111,633,527.05
  5. Step 5: Solve for x
    x = 6,111,633,527.05/89,670.65
  6. Step 6: Final answer
    x = 68,156.46

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