Home / 111,027.70-166,432.20-54,876.48

Finding the Fourth Proportional to 111,027.70, 166,432.20 and 54,876.48

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Solution

The fourth proportional to 111,027.70, 166,432.20 and 54,876.48 is: 82,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.70 : 166,432.20 = 54,876.48 : x
  2. Step 2: Convert to fraction form
    111,027.70/166,432.20 = 54,876.48/x
  3. Step 3: Cross multiply
    111,027.70x = 166,432.20 × 54,876.48
  4. Step 4: Simplify right side
    111,027.70x = 9,133,213,294.66
  5. Step 5: Solve for x
    x = 9,133,213,294.66/111,027.70
  6. Step 6: Final answer
    x = 82,260.67

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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.