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Finding the Fourth Proportional to 67,246.80, 100,870.20 and 56,749.20

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Solution

The fourth proportional to 67,246.80, 100,870.20 and 56,749.20 is: 85,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.80 : 100,870.20 = 56,749.20 : x
  2. Step 2: Convert to fraction form
    67,246.80/100,870.20 = 56,749.20/x
  3. Step 3: Cross multiply
    67,246.80x = 100,870.20 × 56,749.20
  4. Step 4: Simplify right side
    67,246.80x = 5,724,303,153.84
  5. Step 5: Solve for x
    x = 5,724,303,153.84/67,246.80
  6. Step 6: Final answer
    x = 85,123.80

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