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Finding the Fourth Proportional to 55,135.92, 76,088.16 and 29,985.48

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Solution

The fourth proportional to 55,135.92, 76,088.16 and 29,985.48 is: 41,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135.92 : 76,088.16 = 29,985.48 : x
  2. Step 2: Convert to fraction form
    55,135.92/76,088.16 = 29,985.48/x
  3. Step 3: Cross multiply
    55,135.92x = 76,088.16 × 29,985.48
  4. Step 4: Simplify right side
    55,135.92x = 2,281,539,999.92
  5. Step 5: Solve for x
    x = 2,281,539,999.92/55,135.92
  6. Step 6: Final answer
    x = 41,380.28

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