Home / 50,168.89-69,234.38-28,363.43

Finding the Fourth Proportional to 50,168.89, 69,234.38 and 28,363.43

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Solution

The fourth proportional to 50,168.89, 69,234.38 and 28,363.43 is: 39,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,168.89 : 69,234.38 = 28,363.43 : x
  2. Step 2: Convert to fraction form
    50,168.89/69,234.38 = 28,363.43/x
  3. Step 3: Cross multiply
    50,168.89x = 69,234.38 × 28,363.43
  4. Step 4: Simplify right side
    50,168.89x = 1,963,724,215.46
  5. Step 5: Solve for x
    x = 1,963,724,215.46/50,168.89
  6. Step 6: Final answer
    x = 39,142.27

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1.5x scale

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.