Home / 49,164.96-73,821.29-28,128.75

Finding the Fourth Proportional to 49,164.96, 73,821.29 and 28,128.75

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Solution

The fourth proportional to 49,164.96, 73,821.29 and 28,128.75 is: 42,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,164.96 : 73,821.29 = 28,128.75 : x
  2. Step 2: Convert to fraction form
    49,164.96/73,821.29 = 28,128.75/x
  3. Step 3: Cross multiply
    49,164.96x = 73,821.29 × 28,128.75
  4. Step 4: Simplify right side
    49,164.96x = 2,076,500,470.44
  5. Step 5: Solve for x
    x = 2,076,500,470.44/49,164.96
  6. Step 6: Final answer
    x = 42,235.37

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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.