Home / 57,057.77-85,168.61-50,324.34

Finding the Fourth Proportional to 57,057.77, 85,168.61 and 50,324.34

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Solution

The fourth proportional to 57,057.77, 85,168.61 and 50,324.34 is: 75,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,057.77 : 85,168.61 = 50,324.34 : x
  2. Step 2: Convert to fraction form
    57,057.77/85,168.61 = 50,324.34/x
  3. Step 3: Cross multiply
    57,057.77x = 85,168.61 × 50,324.34
  4. Step 4: Simplify right side
    57,057.77x = 4,286,054,086.97
  5. Step 5: Solve for x
    x = 4,286,054,086.97/57,057.77
  6. Step 6: Final answer
    x = 75,117.80

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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.