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Finding the Fourth Proportional to 98,529.43, 135,921.90 and 58,223.70

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Solution

The fourth proportional to 98,529.43, 135,921.90 and 58,223.70 is: 80,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,529.43 : 135,921.90 = 58,223.70 : x
  2. Step 2: Convert to fraction form
    98,529.43/135,921.90 = 58,223.70/x
  3. Step 3: Cross multiply
    98,529.43x = 135,921.90 × 58,223.70
  4. Step 4: Simplify right side
    98,529.43x = 7,913,875,929.03
  5. Step 5: Solve for x
    x = 7,913,875,929.03/98,529.43
  6. Step 6: Final answer
    x = 80,319.92

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