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Finding the Fourth Proportional to 72,967.14, 100,579.55 and 53,785.46

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Solution

The fourth proportional to 72,967.14, 100,579.55 and 53,785.46 is: 74,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,967.14 : 100,579.55 = 53,785.46 : x
  2. Step 2: Convert to fraction form
    72,967.14/100,579.55 = 53,785.46/x
  3. Step 3: Cross multiply
    72,967.14x = 100,579.55 × 53,785.46
  4. Step 4: Simplify right side
    72,967.14x = 5,409,716,591.52
  5. Step 5: Solve for x
    x = 5,409,716,591.52/72,967.14
  6. Step 6: Final answer
    x = 74,139.08

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