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Finding the Fourth Proportional to 73,033.40, 100,776.90 and 42,811.76

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Solution

The fourth proportional to 73,033.40, 100,776.90 and 42,811.76 is: 59,074.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,033.40 : 100,776.90 = 42,811.76 : x
  2. Step 2: Convert to fraction form
    73,033.40/100,776.90 = 42,811.76/x
  3. Step 3: Cross multiply
    73,033.40x = 100,776.90 × 42,811.76
  4. Step 4: Simplify right side
    73,033.40x = 4,314,436,456.34
  5. Step 5: Solve for x
    x = 4,314,436,456.34/73,033.40
  6. Step 6: Final answer
    x = 59,074.84

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