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Finding the Fourth Proportional to 91,750.60, 137,625.90 and 29,427.40

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Solution

The fourth proportional to 91,750.60, 137,625.90 and 29,427.40 is: 44,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,750.60 : 137,625.90 = 29,427.40 : x
  2. Step 2: Convert to fraction form
    91,750.60/137,625.90 = 29,427.40/x
  3. Step 3: Cross multiply
    91,750.60x = 137,625.90 × 29,427.40
  4. Step 4: Simplify right side
    91,750.60x = 4,049,972,409.66
  5. Step 5: Solve for x
    x = 4,049,972,409.66/91,750.60
  6. Step 6: Final answer
    x = 44,141.10

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