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Finding the Fourth Proportional to 73,138.76, 100,929.46 and 43,330.76

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Solution

The fourth proportional to 73,138.76, 100,929.46 and 43,330.76 is: 59,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,138.76 : 100,929.46 = 43,330.76 : x
  2. Step 2: Convert to fraction form
    73,138.76/100,929.46 = 43,330.76/x
  3. Step 3: Cross multiply
    73,138.76x = 100,929.46 × 43,330.76
  4. Step 4: Simplify right side
    73,138.76x = 4,373,350,208.19
  5. Step 5: Solve for x
    x = 4,373,350,208.19/73,138.76
  6. Step 6: Final answer
    x = 59,795.25

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