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Finding the Fourth Proportional to 65,048.75, 89,767.40 and 35,240.75

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Solution

The fourth proportional to 65,048.75, 89,767.40 and 35,240.75 is: 48,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,048.75 : 89,767.40 = 35,240.75 : x
  2. Step 2: Convert to fraction form
    65,048.75/89,767.40 = 35,240.75/x
  3. Step 3: Cross multiply
    65,048.75x = 89,767.40 × 35,240.75
  4. Step 4: Simplify right side
    65,048.75x = 3,163,470,501.55
  5. Step 5: Solve for x
    x = 3,163,470,501.55/65,048.75
  6. Step 6: Final answer
    x = 48,632.30

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