Home / 53,322.30-79,956.68-17,771.12

Finding the Fourth Proportional to 53,322.30, 79,956.68 and 17,771.12

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Solution

The fourth proportional to 53,322.30, 79,956.68 and 17,771.12 is: 26,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.30 : 79,956.68 = 17,771.12 : x
  2. Step 2: Convert to fraction form
    53,322.30/79,956.68 = 17,771.12/x
  3. Step 3: Cross multiply
    53,322.30x = 79,956.68 × 17,771.12
  4. Step 4: Simplify right side
    53,322.30x = 1,420,919,755.08
  5. Step 5: Solve for x
    x = 1,420,919,755.08/53,322.30
  6. Step 6: Final answer
    x = 26,647.76

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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.