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Finding the Fourth Proportional to 82,694.16, 124,012.08 and 38,312.64

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Solution

The fourth proportional to 82,694.16, 124,012.08 and 38,312.64 is: 57,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,694.16 : 124,012.08 = 38,312.64 : x
  2. Step 2: Convert to fraction form
    82,694.16/124,012.08 = 38,312.64/x
  3. Step 3: Cross multiply
    82,694.16x = 124,012.08 × 38,312.64
  4. Step 4: Simplify right side
    82,694.16x = 4,751,230,176.69
  5. Step 5: Solve for x
    x = 4,751,230,176.69/82,694.16
  6. Step 6: Final answer
    x = 57,455.45

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