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Finding the Fourth Proportional to 53,913.70, 80,870.55 and 48,211.30

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Solution

The fourth proportional to 53,913.70, 80,870.55 and 48,211.30 is: 72,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,913.70 : 80,870.55 = 48,211.30 : x
  2. Step 2: Convert to fraction form
    53,913.70/80,870.55 = 48,211.30/x
  3. Step 3: Cross multiply
    53,913.70x = 80,870.55 × 48,211.30
  4. Step 4: Simplify right side
    53,913.70x = 3,898,874,347.22
  5. Step 5: Solve for x
    x = 3,898,874,347.22/53,913.70
  6. Step 6: Final answer
    x = 72,316.95

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