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Finding the Fourth Proportional to 76,852.72, 106,073.24 and 48,540.40

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Solution

The fourth proportional to 76,852.72, 106,073.24 and 48,540.40 is: 66,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,852.72 : 106,073.24 = 48,540.40 : x
  2. Step 2: Convert to fraction form
    76,852.72/106,073.24 = 48,540.40/x
  3. Step 3: Cross multiply
    76,852.72x = 106,073.24 × 48,540.40
  4. Step 4: Simplify right side
    76,852.72x = 5,148,837,498.90
  5. Step 5: Solve for x
    x = 5,148,837,498.90/76,852.72
  6. Step 6: Final answer
    x = 66,996.16

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