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Finding the Fourth Proportional to 77,610.65, 107,128.92 and 50,423.93

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Solution

The fourth proportional to 77,610.65, 107,128.92 and 50,423.93 is: 69,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,610.65 : 107,128.92 = 50,423.93 : x
  2. Step 2: Convert to fraction form
    77,610.65/107,128.92 = 50,423.93/x
  3. Step 3: Cross multiply
    77,610.65x = 107,128.92 × 50,423.93
  4. Step 4: Simplify right side
    77,610.65x = 5,401,860,375.29
  5. Step 5: Solve for x
    x = 5,401,860,375.29/77,610.65
  6. Step 6: Final answer
    x = 69,602.05

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