Home / 45,408.78-62,664.12-25,536.78

Finding the Fourth Proportional to 45,408.78, 62,664.12 and 25,536.78

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Solution

The fourth proportional to 45,408.78, 62,664.12 and 25,536.78 is: 35,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.78 : 62,664.12 = 25,536.78 : x
  2. Step 2: Convert to fraction form
    45,408.78/62,664.12 = 25,536.78/x
  3. Step 3: Cross multiply
    45,408.78x = 62,664.12 × 25,536.78
  4. Step 4: Simplify right side
    45,408.78x = 1,600,239,846.33
  5. Step 5: Solve for x
    x = 1,600,239,846.33/45,408.78
  6. Step 6: Final answer
    x = 35,240.76

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1.5x scale

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.