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Finding the Fourth Proportional to 91,785.45, 137,728.35 and 35,627.79

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Solution

The fourth proportional to 91,785.45, 137,728.35 and 35,627.79 is: 53,461.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,785.45 : 137,728.35 = 35,627.79 : x
  2. Step 2: Convert to fraction form
    91,785.45/137,728.35 = 35,627.79/x
  3. Step 3: Cross multiply
    91,785.45x = 137,728.35 × 35,627.79
  4. Step 4: Simplify right side
    91,785.45x = 4,906,956,730.85
  5. Step 5: Solve for x
    x = 4,906,956,730.85/91,785.45
  6. Step 6: Final answer
    x = 53,461.16

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