Home / 53,074.62-79,621.65-21,892.86

Finding the Fourth Proportional to 53,074.62, 79,621.65 and 21,892.86

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Solution

The fourth proportional to 53,074.62, 79,621.65 and 21,892.86 is: 32,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,074.62 : 79,621.65 = 21,892.86 : x
  2. Step 2: Convert to fraction form
    53,074.62/79,621.65 = 21,892.86/x
  3. Step 3: Cross multiply
    53,074.62x = 79,621.65 × 21,892.86
  4. Step 4: Simplify right side
    53,074.62x = 1,743,145,636.42
  5. Step 5: Solve for x
    x = 1,743,145,636.42/53,074.62
  6. Step 6: Final answer
    x = 32,843.30

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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.