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Finding the Fourth Proportional to 82,368.15, 123,461.51 and 53,893.32

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Solution

The fourth proportional to 82,368.15, 123,461.51 and 53,893.32 is: 80,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,368.15 : 123,461.51 = 53,893.32 : x
  2. Step 2: Convert to fraction form
    82,368.15/123,461.51 = 53,893.32/x
  3. Step 3: Cross multiply
    82,368.15x = 123,461.51 × 53,893.32
  4. Step 4: Simplify right side
    82,368.15x = 6,653,750,396.65
  5. Step 5: Solve for x
    x = 6,653,750,396.65/82,368.15
  6. Step 6: Final answer
    x = 80,780.62

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