Home / 45,824.48-68,745.36-18,124.64

Finding the Fourth Proportional to 45,824.48, 68,745.36 and 18,124.64

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Solution

The fourth proportional to 45,824.48, 68,745.36 and 18,124.64 is: 27,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.48 : 68,745.36 = 18,124.64 : x
  2. Step 2: Convert to fraction form
    45,824.48/68,745.36 = 18,124.64/x
  3. Step 3: Cross multiply
    45,824.48x = 68,745.36 × 18,124.64
  4. Step 4: Simplify right side
    45,824.48x = 1,245,984,901.67
  5. Step 5: Solve for x
    x = 1,245,984,901.67/45,824.48
  6. Step 6: Final answer
    x = 27,190.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.