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Finding the Fourth Proportional to 75,211.47, 103,802.72 and 43,374.03

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Solution

The fourth proportional to 75,211.47, 103,802.72 and 43,374.03 is: 59,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211.47 : 103,802.72 = 43,374.03 : x
  2. Step 2: Convert to fraction form
    75,211.47/103,802.72 = 43,374.03/x
  3. Step 3: Cross multiply
    75,211.47x = 103,802.72 × 43,374.03
  4. Step 4: Simplify right side
    75,211.47x = 4,502,342,074.49
  5. Step 5: Solve for x
    x = 4,502,342,074.49/75,211.47
  6. Step 6: Final answer
    x = 59,862.44

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