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Finding the Fourth Proportional to 77,518.45, 106,946.76 and 48,830.41

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Solution

The fourth proportional to 77,518.45, 106,946.76 and 48,830.41 is: 67,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,518.45 : 106,946.76 = 48,830.41 : x
  2. Step 2: Convert to fraction form
    77,518.45/106,946.76 = 48,830.41/x
  3. Step 3: Cross multiply
    77,518.45x = 106,946.76 × 48,830.41
  4. Step 4: Simplify right side
    77,518.45x = 5,222,254,138.97
  5. Step 5: Solve for x
    x = 5,222,254,138.97/77,518.45
  6. Step 6: Final answer
    x = 67,367.89

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