Home / 50,108.20-74,770.19-49,816.60

Finding the Fourth Proportional to 50,108.20, 74,770.19 and 49,816.60

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Solution

The fourth proportional to 50,108.20, 74,770.19 and 49,816.60 is: 74,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,108.20 : 74,770.19 = 49,816.60 : x
  2. Step 2: Convert to fraction form
    50,108.20/74,770.19 = 49,816.60/x
  3. Step 3: Cross multiply
    50,108.20x = 74,770.19 × 49,816.60
  4. Step 4: Simplify right side
    50,108.20x = 3,724,796,647.15
  5. Step 5: Solve for x
    x = 3,724,796,647.15/50,108.20
  6. Step 6: Final answer
    x = 74,335.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.