Home / 43,172.22-64,739.82-15,083.85

Finding the Fourth Proportional to 43,172.22, 64,739.82 and 15,083.85

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Solution

The fourth proportional to 43,172.22, 64,739.82 and 15,083.85 is: 22,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,172.22 : 64,739.82 = 15,083.85 : x
  2. Step 2: Convert to fraction form
    43,172.22/64,739.82 = 15,083.85/x
  3. Step 3: Cross multiply
    43,172.22x = 64,739.82 × 15,083.85
  4. Step 4: Simplify right side
    43,172.22x = 976,525,733.91
  5. Step 5: Solve for x
    x = 976,525,733.91/43,172.22
  6. Step 6: Final answer
    x = 22,619.31

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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.