Home / 80,668.12-111,311.49-44,851

Finding the Fourth Proportional to 80,668.12, 111,311.49 and 44,851

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Solution

The fourth proportional to 80,668.12, 111,311.49 and 44,851 is: 61,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,668.12 : 111,311.49 = 44,851 : x
  2. Step 2: Convert to fraction form
    80,668.12/111,311.49 = 44,851/x
  3. Step 3: Cross multiply
    80,668.12x = 111,311.49 × 44,851
  4. Step 4: Simplify right side
    80,668.12x = 4,992,431,637.99
  5. Step 5: Solve for x
    x = 4,992,431,637.99/80,668.12
  6. Step 6: Final answer
    x = 61,888.53

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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.