Home / 111,157.38-166,616.60-48,007.35

Finding the Fourth Proportional to 111,157.38, 166,616.60 and 48,007.35

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Solution

The fourth proportional to 111,157.38, 166,616.60 and 48,007.35 is: 71,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,157.38 : 166,616.60 = 48,007.35 : x
  2. Step 2: Convert to fraction form
    111,157.38/166,616.60 = 48,007.35/x
  3. Step 3: Cross multiply
    111,157.38x = 166,616.60 × 48,007.35
  4. Step 4: Simplify right side
    111,157.38x = 7,998,821,191.97
  5. Step 5: Solve for x
    x = 7,998,821,191.97/111,157.38
  6. Step 6: Final answer
    x = 71,959.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.