Home / 54,119.87-74,684.04-30,246.71

Finding the Fourth Proportional to 54,119.87, 74,684.04 and 30,246.71

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Solution

The fourth proportional to 54,119.87, 74,684.04 and 30,246.71 is: 41,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.87 : 74,684.04 = 30,246.71 : x
  2. Step 2: Convert to fraction form
    54,119.87/74,684.04 = 30,246.71/x
  3. Step 3: Cross multiply
    54,119.87x = 74,684.04 × 30,246.71
  4. Step 4: Simplify right side
    54,119.87x = 2,258,946,126.09
  5. Step 5: Solve for x
    x = 2,258,946,126.09/54,119.87
  6. Step 6: Final answer
    x = 41,739.69

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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.