Finding the Fourth Proportional to 88,645.68, 122,330.87 and 48,359.43
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Solution
The fourth proportional to 88,645.68, 122,330.87 and 48,359.43 is: 66,735.92
Step by Step Solution
- Step 1: Write the proportion equation
88,645.68 : 122,330.87 = 48,359.43 : x - Step 2: Convert to fraction form
88,645.68/122,330.87 = 48,359.43/x - Step 3: Cross multiply
88,645.68x = 122,330.87 × 48,359.43 - Step 4: Simplify right side
88,645.68x = 5,915,850,902.81 - Step 5: Solve for x
x = 5,915,850,902.81/88,645.68 - Step 6: Final answer
x = 66,735.92
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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.