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Finding the Fourth Proportional to 71,149.60, 106,609.20 and 44,807.20

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Solution

The fourth proportional to 71,149.60, 106,609.20 and 44,807.20 is: 67,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,149.60 : 106,609.20 = 44,807.20 : x
  2. Step 2: Convert to fraction form
    71,149.60/106,609.20 = 44,807.20/x
  3. Step 3: Cross multiply
    71,149.60x = 106,609.20 × 44,807.20
  4. Step 4: Simplify right side
    71,149.60x = 4,776,859,746.24
  5. Step 5: Solve for x
    x = 4,776,859,746.24/71,149.60
  6. Step 6: Final answer
    x = 67,138.25

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