Home / 75,463.56-104,171.64-50,939.72

Finding the Fourth Proportional to 75,463.56, 104,171.64 and 50,939.72

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Solution

The fourth proportional to 75,463.56, 104,171.64 and 50,939.72 is: 70,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,463.56 : 104,171.64 = 50,939.72 : x
  2. Step 2: Convert to fraction form
    75,463.56/104,171.64 = 50,939.72/x
  3. Step 3: Cross multiply
    75,463.56x = 104,171.64 × 50,939.72
  4. Step 4: Simplify right side
    75,463.56x = 5,306,474,173.54
  5. Step 5: Solve for x
    x = 5,306,474,173.54/75,463.56
  6. Step 6: Final answer
    x = 70,318.37

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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.