Home / 71,914.23-107,872.36-27,543.24

Finding the Fourth Proportional to 71,914.23, 107,872.36 and 27,543.24

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Solution

The fourth proportional to 71,914.23, 107,872.36 and 27,543.24 is: 41,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,914.23 : 107,872.36 = 27,543.24 : x
  2. Step 2: Convert to fraction form
    71,914.23/107,872.36 = 27,543.24/x
  3. Step 3: Cross multiply
    71,914.23x = 107,872.36 × 27,543.24
  4. Step 4: Simplify right side
    71,914.23x = 2,971,154,231.99
  5. Step 5: Solve for x
    x = 2,971,154,231.99/71,914.23
  6. Step 6: Final answer
    x = 41,315.25

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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.