Finding the Fourth Proportional to 68,183.55, 102,299.99 and 34,919.28
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Solution
The fourth proportional to 68,183.55, 102,299.99 and 34,919.28 is: 52,391.55
Step by Step Solution
- Step 1: Write the proportion equation
68,183.55 : 102,299.99 = 34,919.28 : x - Step 2: Convert to fraction form
68,183.55/102,299.99 = 34,919.28/x - Step 3: Cross multiply
68,183.55x = 102,299.99 × 34,919.28 - Step 4: Simplify right side
68,183.55x = 3,572,241,820.21 - Step 5: Solve for x
x = 3,572,241,820.21/68,183.55 - Step 6: Final answer
x = 52,391.55
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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.