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Finding the Fourth Proportional to 64,985.25, 97,462.89 and 20,603.73

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Solution

The fourth proportional to 64,985.25, 97,462.89 and 20,603.73 is: 30,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,985.25 : 97,462.89 = 20,603.73 : x
  2. Step 2: Convert to fraction form
    64,985.25/97,462.89 = 20,603.73/x
  3. Step 3: Cross multiply
    64,985.25x = 97,462.89 × 20,603.73
  4. Step 4: Simplify right side
    64,985.25x = 2,008,099,070.58
  5. Step 5: Solve for x
    x = 2,008,099,070.58/64,985.25
  6. Step 6: Final answer
    x = 30,900.84

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