Home / 57,519.62-79,380.35-34,556.47

Finding the Fourth Proportional to 57,519.62, 79,380.35 and 34,556.47

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Solution

The fourth proportional to 57,519.62, 79,380.35 and 34,556.47 is: 47,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.62 : 79,380.35 = 34,556.47 : x
  2. Step 2: Convert to fraction form
    57,519.62/79,380.35 = 34,556.47/x
  3. Step 3: Cross multiply
    57,519.62x = 79,380.35 × 34,556.47
  4. Step 4: Simplify right side
    57,519.62x = 2,743,104,601.94
  5. Step 5: Solve for x
    x = 2,743,104,601.94/57,519.62
  6. Step 6: Final answer
    x = 47,689.89

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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.