Home / 43,072.52-64,550.06-20,841.53

Finding the Fourth Proportional to 43,072.52, 64,550.06 and 20,841.53

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Solution

The fourth proportional to 43,072.52, 64,550.06 and 20,841.53 is: 31,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,072.52 : 64,550.06 = 20,841.53 : x
  2. Step 2: Convert to fraction form
    43,072.52/64,550.06 = 20,841.53/x
  3. Step 3: Cross multiply
    43,072.52x = 64,550.06 × 20,841.53
  4. Step 4: Simplify right side
    43,072.52x = 1,345,321,907.78
  5. Step 5: Solve for x
    x = 1,345,321,907.78/43,072.52
  6. Step 6: Final answer
    x = 31,233.88

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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.