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Finding the Fourth Proportional to 75,682.64, 113,624.48 and 64,660.16

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Solution

The fourth proportional to 75,682.64, 113,624.48 and 64,660.16 is: 97,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,682.64 : 113,624.48 = 64,660.16 : x
  2. Step 2: Convert to fraction form
    75,682.64/113,624.48 = 64,660.16/x
  3. Step 3: Cross multiply
    75,682.64x = 113,624.48 × 64,660.16
  4. Step 4: Simplify right side
    75,682.64x = 7,346,977,056.72
  5. Step 5: Solve for x
    x = 7,346,977,056.72/75,682.64
  6. Step 6: Final answer
    x = 97,076.12

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