Finding the Fourth Proportional to 88,790.05, 122,532.90 and 48,504.48
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Solution
The fourth proportional to 88,790.05, 122,532.90 and 48,504.48 is: 66,937.62
Step by Step Solution
- Step 1: Write the proportion equation
88,790.05 : 122,532.90 = 48,504.48 : x - Step 2: Convert to fraction form
88,790.05/122,532.90 = 48,504.48/x - Step 3: Cross multiply
88,790.05x = 122,532.90 × 48,504.48 - Step 4: Simplify right side
88,790.05x = 5,943,394,597.39 - Step 5: Solve for x
x = 5,943,394,597.39/88,790.05 - Step 6: Final answer
x = 66,937.62
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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.