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Finding the Fourth Proportional to 78,550.60, 108,384.90 and 46,727.56

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Solution

The fourth proportional to 78,550.60, 108,384.90 and 46,727.56 is: 64,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,550.60 : 108,384.90 = 46,727.56 : x
  2. Step 2: Convert to fraction form
    78,550.60/108,384.90 = 46,727.56/x
  3. Step 3: Cross multiply
    78,550.60x = 108,384.90 × 46,727.56
  4. Step 4: Simplify right side
    78,550.60x = 5,064,561,917.84
  5. Step 5: Solve for x
    x = 5,064,561,917.84/78,550.60
  6. Step 6: Final answer
    x = 64,475.15

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