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Finding the Fourth Proportional to 74,579.02, 111,915.72 and 67,573.34

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Solution

The fourth proportional to 74,579.02, 111,915.72 and 67,573.34 is: 101,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,579.02 : 111,915.72 = 67,573.34 : x
  2. Step 2: Convert to fraction form
    74,579.02/111,915.72 = 67,573.34/x
  3. Step 3: Cross multiply
    74,579.02x = 111,915.72 × 67,573.34
  4. Step 4: Simplify right side
    74,579.02x = 7,562,518,998.90
  5. Step 5: Solve for x
    x = 7,562,518,998.90/74,579.02
  6. Step 6: Final answer
    x = 101,402.77

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