Home / 68,192.44-102,271.38-28,749.24

Finding the Fourth Proportional to 68,192.44, 102,271.38 and 28,749.24

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Solution

The fourth proportional to 68,192.44, 102,271.38 and 28,749.24 is: 43,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,192.44 : 102,271.38 = 28,749.24 : x
  2. Step 2: Convert to fraction form
    68,192.44/102,271.38 = 28,749.24/x
  3. Step 3: Cross multiply
    68,192.44x = 102,271.38 × 28,749.24
  4. Step 4: Simplify right side
    68,192.44x = 2,940,224,448.75
  5. Step 5: Solve for x
    x = 2,940,224,448.75/68,192.44
  6. Step 6: Final answer
    x = 43,116.57

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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.