Home / 54,343.83-74,993.54-30,470.43

Finding the Fourth Proportional to 54,343.83, 74,993.54 and 30,470.43

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Solution

The fourth proportional to 54,343.83, 74,993.54 and 30,470.43 is: 42,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.83 : 74,993.54 = 30,470.43 : x
  2. Step 2: Convert to fraction form
    54,343.83/74,993.54 = 30,470.43/x
  3. Step 3: Cross multiply
    54,343.83x = 74,993.54 × 30,470.43
  4. Step 4: Simplify right side
    54,343.83x = 2,285,085,258.67
  5. Step 5: Solve for x
    x = 2,285,085,258.67/54,343.83
  6. Step 6: Final answer
    x = 42,048.66

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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.