Finding the Fourth Proportional to 107,861.13, 161,664.62 and 48,627.45
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Solution
The fourth proportional to 107,861.13, 161,664.62 and 48,627.45 is: 72,883.88
Step by Step Solution
- Step 1: Write the proportion equation
107,861.13 : 161,664.62 = 48,627.45 : x - Step 2: Convert to fraction form
107,861.13/161,664.62 = 48,627.45/x - Step 3: Cross multiply
107,861.13x = 161,664.62 × 48,627.45 - Step 4: Simplify right side
107,861.13x = 7,861,337,982.68 - Step 5: Solve for x
x = 7,861,337,982.68/107,861.13 - Step 6: Final answer
x = 72,883.88
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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.