Home / 111,769.62-154,244.97-60,785.52

Finding the Fourth Proportional to 111,769.62, 154,244.97 and 60,785.52

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Solution

The fourth proportional to 111,769.62, 154,244.97 and 60,785.52 is: 83,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,769.62 : 154,244.97 = 60,785.52 : x
  2. Step 2: Convert to fraction form
    111,769.62/154,244.97 = 60,785.52/x
  3. Step 3: Cross multiply
    111,769.62x = 154,244.97 × 60,785.52
  4. Step 4: Simplify right side
    111,769.62x = 9,375,860,708.83
  5. Step 5: Solve for x
    x = 9,375,860,708.83/111,769.62
  6. Step 6: Final answer
    x = 83,885.59

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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.