Home / 45,861.54-68,780.76-17,771.94

Finding the Fourth Proportional to 45,861.54, 68,780.76 and 17,771.94

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Solution

The fourth proportional to 45,861.54, 68,780.76 and 17,771.94 is: 26,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,861.54 : 68,780.76 = 17,771.94 : x
  2. Step 2: Convert to fraction form
    45,861.54/68,780.76 = 17,771.94/x
  3. Step 3: Cross multiply
    45,861.54x = 68,780.76 × 17,771.94
  4. Step 4: Simplify right side
    45,861.54x = 1,222,367,539.87
  5. Step 5: Solve for x
    x = 1,222,367,539.87/45,861.54
  6. Step 6: Final answer
    x = 26,653.43

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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.