Home / 57,418.11-79,236.92-31,923.67

Finding the Fourth Proportional to 57,418.11, 79,236.92 and 31,923.67

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Solution

The fourth proportional to 57,418.11, 79,236.92 and 31,923.67 is: 44,054.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.11 : 79,236.92 = 31,923.67 : x
  2. Step 2: Convert to fraction form
    57,418.11/79,236.92 = 31,923.67/x
  3. Step 3: Cross multiply
    57,418.11x = 79,236.92 × 31,923.67
  4. Step 4: Simplify right side
    57,418.11x = 2,529,533,285.90
  5. Step 5: Solve for x
    x = 2,529,533,285.90/57,418.11
  6. Step 6: Final answer
    x = 44,054.62

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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.