Finding the Fourth Proportional to 89,090.53, 122,944.97 and 48,805.75
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Solution
The fourth proportional to 89,090.53, 122,944.97 and 48,805.75 is: 67,351.96
Step by Step Solution
- Step 1: Write the proportion equation
89,090.53 : 122,944.97 = 48,805.75 : x - Step 2: Convert to fraction form
89,090.53/122,944.97 = 48,805.75/x - Step 3: Cross multiply
89,090.53x = 122,944.97 × 48,805.75 - Step 4: Simplify right side
89,090.53x = 6,000,421,469.58 - Step 5: Solve for x
x = 6,000,421,469.58/89,090.53 - Step 6: Final answer
x = 67,351.96
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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.