Home / 50,768.57-70,058.34-28,105.97

Finding the Fourth Proportional to 50,768.57, 70,058.34 and 28,105.97

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Solution

The fourth proportional to 50,768.57, 70,058.34 and 28,105.97 is: 38,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,768.57 : 70,058.34 = 28,105.97 : x
  2. Step 2: Convert to fraction form
    50,768.57/70,058.34 = 28,105.97/x
  3. Step 3: Cross multiply
    50,768.57x = 70,058.34 × 28,105.97
  4. Step 4: Simplify right side
    50,768.57x = 1,969,057,252.00
  5. Step 5: Solve for x
    x = 1,969,057,252.00/50,768.57
  6. Step 6: Final answer
    x = 38,784.97

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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.