Home / 89,091.28-122,947.84-48,806.72

Finding the Fourth Proportional to 89,091.28, 122,947.84 and 48,806.72

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Solution

The fourth proportional to 89,091.28, 122,947.84 and 48,806.72 is: 67,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,091.28 : 122,947.84 = 48,806.72 : x
  2. Step 2: Convert to fraction form
    89,091.28/122,947.84 = 48,806.72/x
  3. Step 3: Cross multiply
    89,091.28x = 122,947.84 × 48,806.72
  4. Step 4: Simplify right side
    89,091.28x = 6,000,680,801.48
  5. Step 5: Solve for x
    x = 6,000,680,801.48/89,091.28
  6. Step 6: Final answer
    x = 67,354.30

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