Home / 101,211.56-151,784.94-47,896.28

Finding the Fourth Proportional to 101,211.56, 151,784.94 and 47,896.28

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Solution

The fourth proportional to 101,211.56, 151,784.94 and 47,896.28 is: 71,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,211.56 : 151,784.94 = 47,896.28 : x
  2. Step 2: Convert to fraction form
    101,211.56/151,784.94 = 47,896.28/x
  3. Step 3: Cross multiply
    101,211.56x = 151,784.94 × 47,896.28
  4. Step 4: Simplify right side
    101,211.56x = 7,269,933,986.02
  5. Step 5: Solve for x
    x = 7,269,933,986.02/101,211.56
  6. Step 6: Final answer
    x = 71,829.09

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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.