Home / 54,221.86-74,825.43-30,348.53

Finding the Fourth Proportional to 54,221.86, 74,825.43 and 30,348.53

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Solution

The fourth proportional to 54,221.86, 74,825.43 and 30,348.53 is: 41,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.86 : 74,825.43 = 30,348.53 : x
  2. Step 2: Convert to fraction form
    54,221.86/74,825.43 = 30,348.53/x
  3. Step 3: Cross multiply
    54,221.86x = 74,825.43 × 30,348.53
  4. Step 4: Simplify right side
    54,221.86x = 2,270,841,807.12
  5. Step 5: Solve for x
    x = 2,270,841,807.12/54,221.86
  6. Step 6: Final answer
    x = 41,880.56

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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.