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Finding the Fourth Proportional to 75,960.40, 113,848.24 and 53,780.16

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Solution

The fourth proportional to 75,960.40, 113,848.24 and 53,780.16 is: 80,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,960.40 : 113,848.24 = 53,780.16 : x
  2. Step 2: Convert to fraction form
    75,960.40/113,848.24 = 53,780.16/x
  3. Step 3: Cross multiply
    75,960.40x = 113,848.24 × 53,780.16
  4. Step 4: Simplify right side
    75,960.40x = 6,122,776,562.92
  5. Step 5: Solve for x
    x = 6,122,776,562.92/75,960.40
  6. Step 6: Final answer
    x = 80,604.85

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