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Finding the Fourth Proportional to 66,725.01, 100,098.45 and 31,645.53

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Solution

The fourth proportional to 66,725.01, 100,098.45 and 31,645.53 is: 47,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725.01 : 100,098.45 = 31,645.53 : x
  2. Step 2: Convert to fraction form
    66,725.01/100,098.45 = 31,645.53/x
  3. Step 3: Cross multiply
    66,725.01x = 100,098.45 × 31,645.53
  4. Step 4: Simplify right side
    66,725.01x = 3,167,668,502.43
  5. Step 5: Solve for x
    x = 3,167,668,502.43/66,725.01
  6. Step 6: Final answer
    x = 47,473.48

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