Home / 56,405.79-77,819.39-33,745.43

Finding the Fourth Proportional to 56,405.79, 77,819.39 and 33,745.43

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Solution

The fourth proportional to 56,405.79, 77,819.39 and 33,745.43 is: 46,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.79 : 77,819.39 = 33,745.43 : x
  2. Step 2: Convert to fraction form
    56,405.79/77,819.39 = 33,745.43/x
  3. Step 3: Cross multiply
    56,405.79x = 77,819.39 × 33,745.43
  4. Step 4: Simplify right side
    56,405.79x = 2,626,048,777.89
  5. Step 5: Solve for x
    x = 2,626,048,777.89/56,405.79
  6. Step 6: Final answer
    x = 46,556.37

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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.