Home / 115,222.30-172,714.68-44,125.56

Finding the Fourth Proportional to 115,222.30, 172,714.68 and 44,125.56

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Solution

The fourth proportional to 115,222.30, 172,714.68 and 44,125.56 is: 66,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,222.30 : 172,714.68 = 44,125.56 : x
  2. Step 2: Convert to fraction form
    115,222.30/172,714.68 = 44,125.56/x
  3. Step 3: Cross multiply
    115,222.30x = 172,714.68 × 44,125.56
  4. Step 4: Simplify right side
    115,222.30x = 7,621,131,975.22
  5. Step 5: Solve for x
    x = 7,621,131,975.22/115,222.30
  6. Step 6: Final answer
    x = 66,142.86

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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.