Home / 50,930.76-76,471.11-28,485.41

Finding the Fourth Proportional to 50,930.76, 76,471.11 and 28,485.41

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Solution

The fourth proportional to 50,930.76, 76,471.11 and 28,485.41 is: 42,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.76 : 76,471.11 = 28,485.41 : x
  2. Step 2: Convert to fraction form
    50,930.76/76,471.11 = 28,485.41/x
  3. Step 3: Cross multiply
    50,930.76x = 76,471.11 × 28,485.41
  4. Step 4: Simplify right side
    50,930.76x = 2,178,310,921.51
  5. Step 5: Solve for x
    x = 2,178,310,921.51/50,930.76
  6. Step 6: Final answer
    x = 42,770.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.