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Finding the Fourth Proportional to 74,457.96, 102,651.36 and 50,543.12

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Solution

The fourth proportional to 74,457.96, 102,651.36 and 50,543.12 is: 69,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,457.96 : 102,651.36 = 50,543.12 : x
  2. Step 2: Convert to fraction form
    74,457.96/102,651.36 = 50,543.12/x
  3. Step 3: Cross multiply
    74,457.96x = 102,651.36 × 50,543.12
  4. Step 4: Simplify right side
    74,457.96x = 5,188,320,006.64
  5. Step 5: Solve for x
    x = 5,188,320,006.64/74,457.96
  6. Step 6: Final answer
    x = 69,681.20

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