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Finding the Fourth Proportional to 61,815.90, 85,230.72 and 52,238.46

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Solution

The fourth proportional to 61,815.90, 85,230.72 and 52,238.46 is: 72,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,815.90 : 85,230.72 = 52,238.46 : x
  2. Step 2: Convert to fraction form
    61,815.90/85,230.72 = 52,238.46/x
  3. Step 3: Cross multiply
    61,815.90x = 85,230.72 × 52,238.46
  4. Step 4: Simplify right side
    61,815.90x = 4,452,321,557.49
  5. Step 5: Solve for x
    x = 4,452,321,557.49/61,815.90
  6. Step 6: Final answer
    x = 72,025.51

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