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Finding the Fourth Proportional to 74,572.84, 111,728.04 and 70,133.23

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Solution

The fourth proportional to 74,572.84, 111,728.04 and 70,133.23 is: 105,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,572.84 : 111,728.04 = 70,133.23 : x
  2. Step 2: Convert to fraction form
    74,572.84/111,728.04 = 70,133.23/x
  3. Step 3: Cross multiply
    74,572.84x = 111,728.04 × 70,133.23
  4. Step 4: Simplify right side
    74,572.84x = 7,835,848,326.77
  5. Step 5: Solve for x
    x = 7,835,848,326.77/74,572.84
  6. Step 6: Final answer
    x = 105,076.44

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