Home / 111,668.24-154,102.06-60,680.85

Finding the Fourth Proportional to 111,668.24, 154,102.06 and 60,680.85

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Solution

The fourth proportional to 111,668.24, 154,102.06 and 60,680.85 is: 83,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,668.24 : 154,102.06 = 60,680.85 : x
  2. Step 2: Convert to fraction form
    111,668.24/154,102.06 = 60,680.85/x
  3. Step 3: Cross multiply
    111,668.24x = 154,102.06 × 60,680.85
  4. Step 4: Simplify right side
    111,668.24x = 9,351,044,565.43
  5. Step 5: Solve for x
    x = 9,351,044,565.43/111,668.24
  6. Step 6: Final answer
    x = 83,739.51

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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.