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Finding the Fourth Proportional to 54,971.40, 82,457.10 and 48,629.10

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Solution

The fourth proportional to 54,971.40, 82,457.10 and 48,629.10 is: 72,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.40 : 82,457.10 = 48,629.10 : x
  2. Step 2: Convert to fraction form
    54,971.40/82,457.10 = 48,629.10/x
  3. Step 3: Cross multiply
    54,971.40x = 82,457.10 × 48,629.10
  4. Step 4: Simplify right side
    54,971.40x = 4,009,814,561.61
  5. Step 5: Solve for x
    x = 4,009,814,561.61/54,971.40
  6. Step 6: Final answer
    x = 72,943.65

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