Home / 105,450.89-145,522.23-57,704.24

Finding the Fourth Proportional to 105,450.89, 145,522.23 and 57,704.24

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Solution

The fourth proportional to 105,450.89, 145,522.23 and 57,704.24 is: 79,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,450.89 : 145,522.23 = 57,704.24 : x
  2. Step 2: Convert to fraction form
    105,450.89/145,522.23 = 57,704.24/x
  3. Step 3: Cross multiply
    105,450.89x = 145,522.23 × 57,704.24
  4. Step 4: Simplify right side
    105,450.89x = 8,397,248,957.64
  5. Step 5: Solve for x
    x = 8,397,248,957.64/105,450.89
  6. Step 6: Final answer
    x = 79,631.85

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