Home / 111,181.50-166,634.01-48,789.18

Finding the Fourth Proportional to 111,181.50, 166,634.01 and 48,789.18

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Solution

The fourth proportional to 111,181.50, 166,634.01 and 48,789.18 is: 73,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,181.50 : 166,634.01 = 48,789.18 : x
  2. Step 2: Convert to fraction form
    111,181.50/166,634.01 = 48,789.18/x
  3. Step 3: Cross multiply
    111,181.50x = 166,634.01 × 48,789.18
  4. Step 4: Simplify right side
    111,181.50x = 8,129,936,708.01
  5. Step 5: Solve for x
    x = 8,129,936,708.01/111,181.50
  6. Step 6: Final answer
    x = 73,123.11

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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.