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Finding the Fourth Proportional to 82,962.40, 124,443.60 and 49,784.80

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Solution

The fourth proportional to 82,962.40, 124,443.60 and 49,784.80 is: 74,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,962.40 : 124,443.60 = 49,784.80 : x
  2. Step 2: Convert to fraction form
    82,962.40/124,443.60 = 49,784.80/x
  3. Step 3: Cross multiply
    82,962.40x = 124,443.60 × 49,784.80
  4. Step 4: Simplify right side
    82,962.40x = 6,195,399,737.28
  5. Step 5: Solve for x
    x = 6,195,399,737.28/82,962.40
  6. Step 6: Final answer
    x = 74,677.20

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