Home / 54,168.39-74,756.05-30,297.29

Finding the Fourth Proportional to 54,168.39, 74,756.05 and 30,297.29

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Solution

The fourth proportional to 54,168.39, 74,756.05 and 30,297.29 is: 41,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,168.39 : 74,756.05 = 30,297.29 : x
  2. Step 2: Convert to fraction form
    54,168.39/74,756.05 = 30,297.29/x
  3. Step 3: Cross multiply
    54,168.39x = 74,756.05 × 30,297.29
  4. Step 4: Simplify right side
    54,168.39x = 2,264,905,276.58
  5. Step 5: Solve for x
    x = 2,264,905,276.58/54,168.39
  6. Step 6: Final answer
    x = 41,812.31

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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.