Home / 57,027.91-78,696.97-31,882.27

Finding the Fourth Proportional to 57,027.91, 78,696.97 and 31,882.27

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Solution

The fourth proportional to 57,027.91, 78,696.97 and 31,882.27 is: 43,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,027.91 : 78,696.97 = 31,882.27 : x
  2. Step 2: Convert to fraction form
    57,027.91/78,696.97 = 31,882.27/x
  3. Step 3: Cross multiply
    57,027.91x = 78,696.97 × 31,882.27
  4. Step 4: Simplify right side
    57,027.91x = 2,509,038,045.72
  5. Step 5: Solve for x
    x = 2,509,038,045.72/57,027.91
  6. Step 6: Final answer
    x = 43,996.67

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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.