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Finding the Fourth Proportional to 70,047.10, 96,665.16 and 39,831.67

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Solution

The fourth proportional to 70,047.10, 96,665.16 and 39,831.67 is: 54,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047.10 : 96,665.16 = 39,831.67 : x
  2. Step 2: Convert to fraction form
    70,047.10/96,665.16 = 39,831.67/x
  3. Step 3: Cross multiply
    70,047.10x = 96,665.16 × 39,831.67
  4. Step 4: Simplify right side
    70,047.10x = 3,850,334,753.62
  5. Step 5: Solve for x
    x = 3,850,334,753.62/70,047.10
  6. Step 6: Final answer
    x = 54,967.80

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