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Finding the Fourth Proportional to 71,743.20, 107,663.40 and 46,722.30

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Solution

The fourth proportional to 71,743.20, 107,663.40 and 46,722.30 is: 70,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,743.20 : 107,663.40 = 46,722.30 : x
  2. Step 2: Convert to fraction form
    71,743.20/107,663.40 = 46,722.30/x
  3. Step 3: Cross multiply
    71,743.20x = 107,663.40 × 46,722.30
  4. Step 4: Simplify right side
    71,743.20x = 5,030,281,673.82
  5. Step 5: Solve for x
    x = 5,030,281,673.82/71,743.20
  6. Step 6: Final answer
    x = 70,115.10

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