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Finding the Fourth Proportional to 70,872.03, 97,802.24 and 39,043.89

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Solution

The fourth proportional to 70,872.03, 97,802.24 and 39,043.89 is: 53,879.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,872.03 : 97,802.24 = 39,043.89 : x
  2. Step 2: Convert to fraction form
    70,872.03/97,802.24 = 39,043.89/x
  3. Step 3: Cross multiply
    70,872.03x = 97,802.24 × 39,043.89
  4. Step 4: Simplify right side
    70,872.03x = 3,818,579,705.09
  5. Step 5: Solve for x
    x = 3,818,579,705.09/70,872.03
  6. Step 6: Final answer
    x = 53,879.93

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