Finding the Fourth Proportional to 88,997.67, 122,816.33 and 48,161.76
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Solution
The fourth proportional to 88,997.67, 122,816.33 and 48,161.76 is: 66,462.99
Step by Step Solution
- Step 1: Write the proportion equation
88,997.67 : 122,816.33 = 48,161.76 : x - Step 2: Convert to fraction form
88,997.67/122,816.33 = 48,161.76/x - Step 3: Cross multiply
88,997.67x = 122,816.33 × 48,161.76 - Step 4: Simplify right side
88,997.67x = 5,915,051,395.95 - Step 5: Solve for x
x = 5,915,051,395.95/88,997.67 - Step 6: Final answer
x = 66,462.99
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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.