Finding the Fourth Proportional to 67,033.44, 100,414.08 and 52,181.28
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Solution
The fourth proportional to 67,033.44, 100,414.08 and 52,181.28 is: 78,165.99
Step by Step Solution
- Step 1: Write the proportion equation
67,033.44 : 100,414.08 = 52,181.28 : x - Step 2: Convert to fraction form
67,033.44/100,414.08 = 52,181.28/x - Step 3: Cross multiply
67,033.44x = 100,414.08 × 52,181.28 - Step 4: Simplify right side
67,033.44x = 5,239,735,224.42 - Step 5: Solve for x
x = 5,239,735,224.42/67,033.44 - Step 6: Final answer
x = 78,165.99
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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.