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Finding the Fourth Proportional to 64,831.60, 97,235.40 and 18,074.80

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Solution

The fourth proportional to 64,831.60, 97,235.40 and 18,074.80 is: 27,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.60 : 97,235.40 = 18,074.80 : x
  2. Step 2: Convert to fraction form
    64,831.60/97,235.40 = 18,074.80/x
  3. Step 3: Cross multiply
    64,831.60x = 97,235.40 × 18,074.80
  4. Step 4: Simplify right side
    64,831.60x = 1,757,510,407.92
  5. Step 5: Solve for x
    x = 1,757,510,407.92/64,831.60
  6. Step 6: Final answer
    x = 27,108.85

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