Home / 111,974.36-154,524.60-61,673.36

Finding the Fourth Proportional to 111,974.36, 154,524.60 and 61,673.36

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Solution

The fourth proportional to 111,974.36, 154,524.60 and 61,673.36 is: 85,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,974.36 : 154,524.60 = 61,673.36 : x
  2. Step 2: Convert to fraction form
    111,974.36/154,524.60 = 61,673.36/x
  3. Step 3: Cross multiply
    111,974.36x = 154,524.60 × 61,673.36
  4. Step 4: Simplify right side
    111,974.36x = 9,530,050,512.03
  5. Step 5: Solve for x
    x = 9,530,050,512.03/111,974.36
  6. Step 6: Final answer
    x = 85,109.22

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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.