Home / 80,270.18-110,771.62-43,971.33

Finding the Fourth Proportional to 80,270.18, 110,771.62 and 43,971.33

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Solution

The fourth proportional to 80,270.18, 110,771.62 and 43,971.33 is: 60,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,270.18 : 110,771.62 = 43,971.33 : x
  2. Step 2: Convert to fraction form
    80,270.18/110,771.62 = 43,971.33/x
  3. Step 3: Cross multiply
    80,270.18x = 110,771.62 × 43,971.33
  4. Step 4: Simplify right side
    80,270.18x = 4,870,775,457.65
  5. Step 5: Solve for x
    x = 4,870,775,457.65/80,270.18
  6. Step 6: Final answer
    x = 60,679.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.