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Finding the Fourth Proportional to 93,029.20, 139,543.80 and 55,704.40

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Solution

The fourth proportional to 93,029.20, 139,543.80 and 55,704.40 is: 83,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,029.20 : 139,543.80 = 55,704.40 : x
  2. Step 2: Convert to fraction form
    93,029.20/139,543.80 = 55,704.40/x
  3. Step 3: Cross multiply
    93,029.20x = 139,543.80 × 55,704.40
  4. Step 4: Simplify right side
    93,029.20x = 7,773,203,652.72
  5. Step 5: Solve for x
    x = 7,773,203,652.72/93,029.20
  6. Step 6: Final answer
    x = 83,556.60

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