Home / 71,372.24-107,063.67-21,448.34

Finding the Fourth Proportional to 71,372.24, 107,063.67 and 21,448.34

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Solution

The fourth proportional to 71,372.24, 107,063.67 and 21,448.34 is: 32,174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,372.24 : 107,063.67 = 21,448.34 : x
  2. Step 2: Convert to fraction form
    71,372.24/107,063.67 = 21,448.34/x
  3. Step 3: Cross multiply
    71,372.24x = 107,063.67 × 21,448.34
  4. Step 4: Simplify right side
    71,372.24x = 2,296,337,995.81
  5. Step 5: Solve for x
    x = 2,296,337,995.81/71,372.24
  6. Step 6: Final answer
    x = 32,174.11

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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.