Home / 50,778.06-70,072.87-28,116.56

Finding the Fourth Proportional to 50,778.06, 70,072.87 and 28,116.56

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Solution

The fourth proportional to 50,778.06, 70,072.87 and 28,116.56 is: 38,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.06 : 70,072.87 = 28,116.56 : x
  2. Step 2: Convert to fraction form
    50,778.06/70,072.87 = 28,116.56/x
  3. Step 3: Cross multiply
    50,778.06x = 70,072.87 × 28,116.56
  4. Step 4: Simplify right side
    50,778.06x = 1,970,208,088.33
  5. Step 5: Solve for x
    x = 1,970,208,088.33/50,778.06
  6. Step 6: Final answer
    x = 38,800.38

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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.