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Finding the Fourth Proportional to 69,031.22, 103,395.05 and 57,049.19

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Solution

The fourth proportional to 69,031.22, 103,395.05 and 57,049.19 is: 85,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,031.22 : 103,395.05 = 57,049.19 : x
  2. Step 2: Convert to fraction form
    69,031.22/103,395.05 = 57,049.19/x
  3. Step 3: Cross multiply
    69,031.22x = 103,395.05 × 57,049.19
  4. Step 4: Simplify right side
    69,031.22x = 5,898,603,852.51
  5. Step 5: Solve for x
    x = 5,898,603,852.51/69,031.22
  6. Step 6: Final answer
    x = 85,448.35

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