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Finding the Fourth Proportional to 77,662.20, 116,579.70 and 48,113.40

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Solution

The fourth proportional to 77,662.20, 116,579.70 and 48,113.40 is: 72,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,662.20 : 116,579.70 = 48,113.40 : x
  2. Step 2: Convert to fraction form
    77,662.20/116,579.70 = 48,113.40/x
  3. Step 3: Cross multiply
    77,662.20x = 116,579.70 × 48,113.40
  4. Step 4: Simplify right side
    77,662.20x = 5,609,045,737.98
  5. Step 5: Solve for x
    x = 5,609,045,737.98/77,662.20
  6. Step 6: Final answer
    x = 72,223.63

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