Home / 79,044.62-109,085.07-45,521.42

Finding the Fourth Proportional to 79,044.62, 109,085.07 and 45,521.42

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Solution

The fourth proportional to 79,044.62, 109,085.07 and 45,521.42 is: 62,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.62 : 109,085.07 = 45,521.42 : x
  2. Step 2: Convert to fraction form
    79,044.62/109,085.07 = 45,521.42/x
  3. Step 3: Cross multiply
    79,044.62x = 109,085.07 × 45,521.42
  4. Step 4: Simplify right side
    79,044.62x = 4,965,707,287.20
  5. Step 5: Solve for x
    x = 4,965,707,287.20/79,044.62
  6. Step 6: Final answer
    x = 62,821.57

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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.