Home / 80,973.56-121,446.57-21,796.04

Finding the Fourth Proportional to 80,973.56, 121,446.57 and 21,796.04

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Solution

The fourth proportional to 80,973.56, 121,446.57 and 21,796.04 is: 32,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,973.56 : 121,446.57 = 21,796.04 : x
  2. Step 2: Convert to fraction form
    80,973.56/121,446.57 = 21,796.04/x
  3. Step 3: Cross multiply
    80,973.56x = 121,446.57 × 21,796.04
  4. Step 4: Simplify right side
    80,973.56x = 2,647,054,297.58
  5. Step 5: Solve for x
    x = 2,647,054,297.58/80,973.56
  6. Step 6: Final answer
    x = 32,690.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.