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Finding the Fourth Proportional to 65,725.20, 98,393.40 and 61,880.40

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Solution

The fourth proportional to 65,725.20, 98,393.40 and 61,880.40 is: 92,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.20 : 98,393.40 = 61,880.40 : x
  2. Step 2: Convert to fraction form
    65,725.20/98,393.40 = 61,880.40/x
  3. Step 3: Cross multiply
    65,725.20x = 98,393.40 × 61,880.40
  4. Step 4: Simplify right side
    65,725.20x = 6,088,622,949.36
  5. Step 5: Solve for x
    x = 6,088,622,949.36/65,725.20
  6. Step 6: Final answer
    x = 92,637.57

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