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Finding the Fourth Proportional to 98,609.82, 136,073.97 and 58,320.42

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Solution

The fourth proportional to 98,609.82, 136,073.97 and 58,320.42 is: 80,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,609.82 : 136,073.97 = 58,320.42 : x
  2. Step 2: Convert to fraction form
    98,609.82/136,073.97 = 58,320.42/x
  3. Step 3: Cross multiply
    98,609.82x = 136,073.97 × 58,320.42
  4. Step 4: Simplify right side
    98,609.82x = 7,935,891,081.47
  5. Step 5: Solve for x
    x = 7,935,891,081.47/98,609.82
  6. Step 6: Final answer
    x = 80,477.70

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