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Finding the Fourth Proportional to 98,053.31, 135,307.89 and 55,028.79

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Solution

The fourth proportional to 98,053.31, 135,307.89 and 55,028.79 is: 75,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,053.31 : 135,307.89 = 55,028.79 : x
  2. Step 2: Convert to fraction form
    98,053.31/135,307.89 = 55,028.79/x
  3. Step 3: Cross multiply
    98,053.31x = 135,307.89 × 55,028.79
  4. Step 4: Simplify right side
    98,053.31x = 7,445,829,999.48
  5. Step 5: Solve for x
    x = 7,445,829,999.48/98,053.31
  6. Step 6: Final answer
    x = 75,936.55

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