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Finding the Fourth Proportional to 52,493.80, 78,740.70 and 51,629.80

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Solution

The fourth proportional to 52,493.80, 78,740.70 and 51,629.80 is: 77,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,493.80 : 78,740.70 = 51,629.80 : x
  2. Step 2: Convert to fraction form
    52,493.80/78,740.70 = 51,629.80/x
  3. Step 3: Cross multiply
    52,493.80x = 78,740.70 × 51,629.80
  4. Step 4: Simplify right side
    52,493.80x = 4,065,366,592.86
  5. Step 5: Solve for x
    x = 4,065,366,592.86/52,493.80
  6. Step 6: Final answer
    x = 77,444.70

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