Home / 115,321.03-172,993.85-48,767.88

Finding the Fourth Proportional to 115,321.03, 172,993.85 and 48,767.88

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Solution

The fourth proportional to 115,321.03, 172,993.85 and 48,767.88 is: 73,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,321.03 : 172,993.85 = 48,767.88 : x
  2. Step 2: Convert to fraction form
    115,321.03/172,993.85 = 48,767.88/x
  3. Step 3: Cross multiply
    115,321.03x = 172,993.85 × 48,767.88
  4. Step 4: Simplify right side
    115,321.03x = 8,436,543,905.31
  5. Step 5: Solve for x
    x = 8,436,543,905.31/115,321.03
  6. Step 6: Final answer
    x = 73,157.03

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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.