Home / 271,057.30-406,555.18-71,393.32

Finding the Fourth Proportional to 271,057.30, 406,555.18 and 71,393.32

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Solution

The fourth proportional to 271,057.30, 406,555.18 and 71,393.32 is: 107,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,057.30 : 406,555.18 = 71,393.32 : x
  2. Step 2: Convert to fraction form
    271,057.30/406,555.18 = 71,393.32/x
  3. Step 3: Cross multiply
    271,057.30x = 406,555.18 × 71,393.32
  4. Step 4: Simplify right side
    271,057.30x = 29,025,324,063.40
  5. Step 5: Solve for x
    x = 29,025,324,063.40/271,057.30
  6. Step 6: Final answer
    x = 107,081.88

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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.