Home / 89,057.44-122,912.76-50,816.80

Finding the Fourth Proportional to 89,057.44, 122,912.76 and 50,816.80

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Solution

The fourth proportional to 89,057.44, 122,912.76 and 50,816.80 is: 70,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,057.44 : 122,912.76 = 50,816.80 : x
  2. Step 2: Convert to fraction form
    89,057.44/122,912.76 = 50,816.80/x
  3. Step 3: Cross multiply
    89,057.44x = 122,912.76 × 50,816.80
  4. Step 4: Simplify right side
    89,057.44x = 6,246,033,142.37
  5. Step 5: Solve for x
    x = 6,246,033,142.37/89,057.44
  6. Step 6: Final answer
    x = 70,134.88

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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.