Finding the Fourth Proportional to 75,982.62, 104,856.34 and 41,528.05
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Solution
The fourth proportional to 75,982.62, 104,856.34 and 41,528.05 is: 57,308.88
Step by Step Solution
- Step 1: Write the proportion equation
75,982.62 : 104,856.34 = 41,528.05 : x - Step 2: Convert to fraction form
75,982.62/104,856.34 = 41,528.05/x - Step 3: Cross multiply
75,982.62x = 104,856.34 × 41,528.05 - Step 4: Simplify right side
75,982.62x = 4,354,478,598.42 - Step 5: Solve for x
x = 4,354,478,598.42/75,982.62 - Step 6: Final answer
x = 57,308.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.