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Finding the Fourth Proportional to 70,380.83, 97,132.55 and 40,170.74

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Solution

The fourth proportional to 70,380.83, 97,132.55 and 40,170.74 is: 55,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380.83 : 97,132.55 = 40,170.74 : x
  2. Step 2: Convert to fraction form
    70,380.83/97,132.55 = 40,170.74/x
  3. Step 3: Cross multiply
    70,380.83x = 97,132.55 × 40,170.74
  4. Step 4: Simplify right side
    70,380.83x = 3,901,885,725.07
  5. Step 5: Solve for x
    x = 3,901,885,725.07/70,380.83
  6. Step 6: Final answer
    x = 55,439.61

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