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Finding the Fourth Proportional to 83,139.68, 124,727.94 and 23,970.74

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Solution

The fourth proportional to 83,139.68, 124,727.94 and 23,970.74 is: 35,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,139.68 : 124,727.94 = 23,970.74 : x
  2. Step 2: Convert to fraction form
    83,139.68/124,727.94 = 23,970.74/x
  3. Step 3: Cross multiply
    83,139.68x = 124,727.94 × 23,970.74
  4. Step 4: Simplify right side
    83,139.68x = 2,989,820,396.84
  5. Step 5: Solve for x
    x = 2,989,820,396.84/83,139.68
  6. Step 6: Final answer
    x = 35,961.42

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