Finding the Fourth Proportional to 68,276.16, 102,414.24 and 21,532.68
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Solution
The fourth proportional to 68,276.16, 102,414.24 and 21,532.68 is: 32,299.02
Step by Step Solution
- Step 1: Write the proportion equation
68,276.16 : 102,414.24 = 21,532.68 : x - Step 2: Convert to fraction form
68,276.16/102,414.24 = 21,532.68/x - Step 3: Cross multiply
68,276.16x = 102,414.24 × 21,532.68 - Step 4: Simplify right side
68,276.16x = 2,205,253,057.36 - Step 5: Solve for x
x = 2,205,253,057.36/68,276.16 - Step 6: Final answer
x = 32,299.02
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1.5x scale
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.