Home / 81,478.22-112,439.59-45,668.24

Finding the Fourth Proportional to 81,478.22, 112,439.59 and 45,668.24

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Solution

The fourth proportional to 81,478.22, 112,439.59 and 45,668.24 is: 63,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,478.22 : 112,439.59 = 45,668.24 : x
  2. Step 2: Convert to fraction form
    81,478.22/112,439.59 = 45,668.24/x
  3. Step 3: Cross multiply
    81,478.22x = 112,439.59 × 45,668.24
  4. Step 4: Simplify right side
    81,478.22x = 5,134,918,181.62
  5. Step 5: Solve for x
    x = 5,134,918,181.62/81,478.22
  6. Step 6: Final answer
    x = 63,021.97

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