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Finding the Fourth Proportional to 61,549.40, 92,251.20 and 45,948.80

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Solution

The fourth proportional to 61,549.40, 92,251.20 and 45,948.80 is: 68,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,549.40 : 92,251.20 = 45,948.80 : x
  2. Step 2: Convert to fraction form
    61,549.40/92,251.20 = 45,948.80/x
  3. Step 3: Cross multiply
    61,549.40x = 92,251.20 × 45,948.80
  4. Step 4: Simplify right side
    61,549.40x = 4,238,831,938.56
  5. Step 5: Solve for x
    x = 4,238,831,938.56/61,549.40
  6. Step 6: Final answer
    x = 68,868.78

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