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Finding the Fourth Proportional to 45,899.60, 68,719.80 and 45,899.60

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Solution

The fourth proportional to 45,899.60, 68,719.80 and 45,899.60 is: 68,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,899.60 : 68,719.80 = 45,899.60 : x
  2. Step 2: Convert to fraction form
    45,899.60/68,719.80 = 45,899.60/x
  3. Step 3: Cross multiply
    45,899.60x = 68,719.80 × 45,899.60
  4. Step 4: Simplify right side
    45,899.60x = 3,154,211,332.08
  5. Step 5: Solve for x
    x = 3,154,211,332.08/45,899.60
  6. Step 6: Final answer
    x = 68,719.80

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