Home / 101,085.06-151,720.98-51,200.22

Finding the Fourth Proportional to 101,085.06, 151,720.98 and 51,200.22

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Solution

The fourth proportional to 101,085.06, 151,720.98 and 51,200.22 is: 76,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,085.06 : 151,720.98 = 51,200.22 : x
  2. Step 2: Convert to fraction form
    101,085.06/151,720.98 = 51,200.22/x
  3. Step 3: Cross multiply
    101,085.06x = 151,720.98 × 51,200.22
  4. Step 4: Simplify right side
    101,085.06x = 7,768,147,554.62
  5. Step 5: Solve for x
    x = 7,768,147,554.62/101,085.06
  6. Step 6: Final answer
    x = 76,847.63

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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.