Home / 54,042.79-74,571.33-30,168.94

Finding the Fourth Proportional to 54,042.79, 74,571.33 and 30,168.94

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Solution

The fourth proportional to 54,042.79, 74,571.33 and 30,168.94 is: 41,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042.79 : 74,571.33 = 30,168.94 : x
  2. Step 2: Convert to fraction form
    54,042.79/74,571.33 = 30,168.94/x
  3. Step 3: Cross multiply
    54,042.79x = 74,571.33 × 30,168.94
  4. Step 4: Simplify right side
    54,042.79x = 2,249,737,907.20
  5. Step 5: Solve for x
    x = 2,249,737,907.20/54,042.79
  6. Step 6: Final answer
    x = 41,628.83

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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.