Home / 53,073.37-79,619.78-21,891.61

Finding the Fourth Proportional to 53,073.37, 79,619.78 and 21,891.61

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Solution

The fourth proportional to 53,073.37, 79,619.78 and 21,891.61 is: 32,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,073.37 : 79,619.78 = 21,891.61 : x
  2. Step 2: Convert to fraction form
    53,073.37/79,619.78 = 21,891.61/x
  3. Step 3: Cross multiply
    53,073.37x = 79,619.78 × 21,891.61
  4. Step 4: Simplify right side
    53,073.37x = 1,743,005,172.05
  5. Step 5: Solve for x
    x = 1,743,005,172.05/53,073.37
  6. Step 6: Final answer
    x = 32,841.43

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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.