Home / 54,118.62-74,683.46-30,245.28

Finding the Fourth Proportional to 54,118.62, 74,683.46 and 30,245.28

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Solution

The fourth proportional to 54,118.62, 74,683.46 and 30,245.28 is: 41,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118.62 : 74,683.46 = 30,245.28 : x
  2. Step 2: Convert to fraction form
    54,118.62/74,683.46 = 30,245.28/x
  3. Step 3: Cross multiply
    54,118.62x = 74,683.46 × 30,245.28
  4. Step 4: Simplify right side
    54,118.62x = 2,258,822,159.07
  5. Step 5: Solve for x
    x = 2,258,822,159.07/54,118.62
  6. Step 6: Final answer
    x = 41,738.35

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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.