Home / 57,821.27-79,788.97-35,157.11

Finding the Fourth Proportional to 57,821.27, 79,788.97 and 35,157.11

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Solution

The fourth proportional to 57,821.27, 79,788.97 and 35,157.11 is: 48,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,821.27 : 79,788.97 = 35,157.11 : x
  2. Step 2: Convert to fraction form
    57,821.27/79,788.97 = 35,157.11/x
  3. Step 3: Cross multiply
    57,821.27x = 79,788.97 × 35,157.11
  4. Step 4: Simplify right side
    57,821.27x = 2,805,149,750.60
  5. Step 5: Solve for x
    x = 2,805,149,750.60/57,821.27
  6. Step 6: Final answer
    x = 48,514.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.