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Finding the Fourth Proportional to 70,457.49, 97,120.89 and 53,393.43

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Solution

The fourth proportional to 70,457.49, 97,120.89 and 53,393.43 is: 73,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457.49 : 97,120.89 = 53,393.43 : x
  2. Step 2: Convert to fraction form
    70,457.49/97,120.89 = 53,393.43/x
  3. Step 3: Cross multiply
    70,457.49x = 97,120.89 × 53,393.43
  4. Step 4: Simplify right side
    70,457.49x = 5,185,617,441.75
  5. Step 5: Solve for x
    x = 5,185,617,441.75/70,457.49
  6. Step 6: Final answer
    x = 73,599.24

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