Home / 80,616.48-120,924.56-21,452.14

Finding the Fourth Proportional to 80,616.48, 120,924.56 and 21,452.14

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Solution

The fourth proportional to 80,616.48, 120,924.56 and 21,452.14 is: 32,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,616.48 : 120,924.56 = 21,452.14 : x
  2. Step 2: Convert to fraction form
    80,616.48/120,924.56 = 21,452.14/x
  3. Step 3: Cross multiply
    80,616.48x = 120,924.56 × 21,452.14
  4. Step 4: Simplify right side
    80,616.48x = 2,594,090,590.56
  5. Step 5: Solve for x
    x = 2,594,090,590.56/80,616.48
  6. Step 6: Final answer
    x = 32,178.17

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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.