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Finding the Fourth Proportional to 75,835.80, 104,708.88 and 48,994.20

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Solution

The fourth proportional to 75,835.80, 104,708.88 and 48,994.20 is: 67,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,835.80 : 104,708.88 = 48,994.20 : x
  2. Step 2: Convert to fraction form
    75,835.80/104,708.88 = 48,994.20/x
  3. Step 3: Cross multiply
    75,835.80x = 104,708.88 × 48,994.20
  4. Step 4: Simplify right side
    75,835.80x = 5,130,127,808.50
  5. Step 5: Solve for x
    x = 5,130,127,808.50/75,835.80
  6. Step 6: Final answer
    x = 67,647.84

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