Home / 54,147.08-74,724.53-30,273.82

Finding the Fourth Proportional to 54,147.08, 74,724.53 and 30,273.82

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Solution

The fourth proportional to 54,147.08, 74,724.53 and 30,273.82 is: 41,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,147.08 : 74,724.53 = 30,273.82 : x
  2. Step 2: Convert to fraction form
    54,147.08/74,724.53 = 30,273.82/x
  3. Step 3: Cross multiply
    54,147.08x = 74,724.53 × 30,273.82
  4. Step 4: Simplify right side
    54,147.08x = 2,262,196,445.81
  5. Step 5: Solve for x
    x = 2,262,196,445.81/54,147.08
  6. Step 6: Final answer
    x = 41,778.73

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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.