Home / 57,025.47-78,692.67-31,183.54

Finding the Fourth Proportional to 57,025.47, 78,692.67 and 31,183.54

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Solution

The fourth proportional to 57,025.47, 78,692.67 and 31,183.54 is: 43,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025.47 : 78,692.67 = 31,183.54 : x
  2. Step 2: Convert to fraction form
    57,025.47/78,692.67 = 31,183.54/x
  3. Step 3: Cross multiply
    57,025.47x = 78,692.67 × 31,183.54
  4. Step 4: Simplify right side
    57,025.47x = 2,453,916,022.65
  5. Step 5: Solve for x
    x = 2,453,916,022.65/57,025.47
  6. Step 6: Final answer
    x = 43,031.93

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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.