Finding the Fourth Proportional to 68,676.21, 103,022.46 and 24,293.88
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Solution
The fourth proportional to 68,676.21, 103,022.46 and 24,293.88 is: 36,443.70
Step by Step Solution
- Step 1: Write the proportion equation
68,676.21 : 103,022.46 = 24,293.88 : x - Step 2: Convert to fraction form
68,676.21/103,022.46 = 24,293.88/x - Step 3: Cross multiply
68,676.21x = 103,022.46 × 24,293.88 - Step 4: Simplify right side
68,676.21x = 2,502,815,280.54 - Step 5: Solve for x
x = 2,502,815,280.54/68,676.21 - Step 6: Final answer
x = 36,443.70
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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.