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Finding the Fourth Proportional to 80,555.58, 120,802.32 and 30,609.36

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Solution

The fourth proportional to 80,555.58, 120,802.32 and 30,609.36 is: 45,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,555.58 : 120,802.32 = 30,609.36 : x
  2. Step 2: Convert to fraction form
    80,555.58/120,802.32 = 30,609.36/x
  3. Step 3: Cross multiply
    80,555.58x = 120,802.32 × 30,609.36
  4. Step 4: Simplify right side
    80,555.58x = 3,697,681,701.72
  5. Step 5: Solve for x
    x = 3,697,681,701.72/80,555.58
  6. Step 6: Final answer
    x = 45,902.24

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