Finding the Fourth Proportional to 68,616.10, 102,924.15 and 27,057.70
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Solution
The fourth proportional to 68,616.10, 102,924.15 and 27,057.70 is: 40,586.55
Step by Step Solution
- Step 1: Write the proportion equation
68,616.10 : 102,924.15 = 27,057.70 : x - Step 2: Convert to fraction form
68,616.10/102,924.15 = 27,057.70/x - Step 3: Cross multiply
68,616.10x = 102,924.15 × 27,057.70 - Step 4: Simplify right side
68,616.10x = 2,784,890,773.46 - Step 5: Solve for x
x = 2,784,890,773.46/68,616.10 - Step 6: Final answer
x = 40,586.55
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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.