Home / 54,295.27-74,927.42-30,422.12

Finding the Fourth Proportional to 54,295.27, 74,927.42 and 30,422.12

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Solution

The fourth proportional to 54,295.27, 74,927.42 and 30,422.12 is: 41,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,295.27 : 74,927.42 = 30,422.12 : x
  2. Step 2: Convert to fraction form
    54,295.27/74,927.42 = 30,422.12/x
  3. Step 3: Cross multiply
    54,295.27x = 74,927.42 × 30,422.12
  4. Step 4: Simplify right side
    54,295.27x = 2,279,450,663.95
  5. Step 5: Solve for x
    x = 2,279,450,663.95/54,295.27
  6. Step 6: Final answer
    x = 41,982.49

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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.