Home / 54,104.61-74,662.96-30,231.43

Finding the Fourth Proportional to 54,104.61, 74,662.96 and 30,231.43

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Solution

The fourth proportional to 54,104.61, 74,662.96 and 30,231.43 is: 41,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,104.61 : 74,662.96 = 30,231.43 : x
  2. Step 2: Convert to fraction form
    54,104.61/74,662.96 = 30,231.43/x
  3. Step 3: Cross multiply
    54,104.61x = 74,662.96 × 30,231.43
  4. Step 4: Simplify right side
    54,104.61x = 2,257,168,048.83
  5. Step 5: Solve for x
    x = 2,257,168,048.83/54,104.61
  6. Step 6: Final answer
    x = 41,718.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.