Home / 43,042.97-64,571.72-13,454.97

Finding the Fourth Proportional to 43,042.97, 64,571.72 and 13,454.97

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Solution

The fourth proportional to 43,042.97, 64,571.72 and 13,454.97 is: 20,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,042.97 : 64,571.72 = 13,454.97 : x
  2. Step 2: Convert to fraction form
    43,042.97/64,571.72 = 13,454.97/x
  3. Step 3: Cross multiply
    43,042.97x = 64,571.72 × 13,454.97
  4. Step 4: Simplify right side
    43,042.97x = 868,810,488.17
  5. Step 5: Solve for x
    x = 868,810,488.17/43,042.97
  6. Step 6: Final answer
    x = 20,184.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.