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Finding the Fourth Proportional to 70,132.48, 105,003.52 and 54,580.48

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Solution

The fourth proportional to 70,132.48, 105,003.52 and 54,580.48 is: 81,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132.48 : 105,003.52 = 54,580.48 : x
  2. Step 2: Convert to fraction form
    70,132.48/105,003.52 = 54,580.48/x
  3. Step 3: Cross multiply
    70,132.48x = 105,003.52 × 54,580.48
  4. Step 4: Simplify right side
    70,132.48x = 5,731,142,523.29
  5. Step 5: Solve for x
    x = 5,731,142,523.29/70,132.48
  6. Step 6: Final answer
    x = 81,718.81

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