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Finding the Fourth Proportional to 74,915.80, 112,373.70 and 48,304.60

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Solution

The fourth proportional to 74,915.80, 112,373.70 and 48,304.60 is: 72,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,915.80 : 112,373.70 = 48,304.60 : x
  2. Step 2: Convert to fraction form
    74,915.80/112,373.70 = 48,304.60/x
  3. Step 3: Cross multiply
    74,915.80x = 112,373.70 × 48,304.60
  4. Step 4: Simplify right side
    74,915.80x = 5,428,166,629.02
  5. Step 5: Solve for x
    x = 5,428,166,629.02/74,915.80
  6. Step 6: Final answer
    x = 72,456.90

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