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Finding the Fourth Proportional to 75,423.33, 113,133.51 and 30,443.49

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Solution

The fourth proportional to 75,423.33, 113,133.51 and 30,443.49 is: 45,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,423.33 : 113,133.51 = 30,443.49 : x
  2. Step 2: Convert to fraction form
    75,423.33/113,133.51 = 30,443.49/x
  3. Step 3: Cross multiply
    75,423.33x = 113,133.51 × 30,443.49
  4. Step 4: Simplify right side
    75,423.33x = 3,444,178,880.35
  5. Step 5: Solve for x
    x = 3,444,178,880.35/75,423.33
  6. Step 6: Final answer
    x = 45,664.64

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