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Finding the Fourth Proportional to 61,405.98, 84,739.83 and 34,909.98

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Solution

The fourth proportional to 61,405.98, 84,739.83 and 34,909.98 is: 48,175.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,405.98 : 84,739.83 = 34,909.98 : x
  2. Step 2: Convert to fraction form
    61,405.98/84,739.83 = 34,909.98/x
  3. Step 3: Cross multiply
    61,405.98x = 84,739.83 × 34,909.98
  4. Step 4: Simplify right side
    61,405.98x = 2,958,265,770.50
  5. Step 5: Solve for x
    x = 2,958,265,770.50/61,405.98
  6. Step 6: Final answer
    x = 48,175.53

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