Finding the Fourth Proportional to 88,963.12, 122,768.64 and 48,676.12
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Solution
The fourth proportional to 88,963.12, 122,768.64 and 48,676.12 is: 67,172.79
Step by Step Solution
- Step 1: Write the proportion equation
88,963.12 : 122,768.64 = 48,676.12 : x - Step 2: Convert to fraction form
88,963.12/122,768.64 = 48,676.12/x - Step 3: Cross multiply
88,963.12x = 122,768.64 × 48,676.12 - Step 4: Simplify right side
88,963.12x = 5,975,901,052.88 - Step 5: Solve for x
x = 5,975,901,052.88/88,963.12 - Step 6: Final answer
x = 67,172.79
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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.