Home / 45,699.22-68,550.24-12,419.99

Finding the Fourth Proportional to 45,699.22, 68,550.24 and 12,419.99

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Solution

The fourth proportional to 45,699.22, 68,550.24 and 12,419.99 is: 18,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,699.22 : 68,550.24 = 12,419.99 : x
  2. Step 2: Convert to fraction form
    45,699.22/68,550.24 = 12,419.99/x
  3. Step 3: Cross multiply
    45,699.22x = 68,550.24 × 12,419.99
  4. Step 4: Simplify right side
    45,699.22x = 851,393,295.30
  5. Step 5: Solve for x
    x = 851,393,295.30/45,699.22
  6. Step 6: Final answer
    x = 18,630.37

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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.