Finding the Fourth Proportional to 89,068.36, 122,907.94 and 48,775.62
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Solution
The fourth proportional to 89,068.36, 122,907.94 and 48,775.62 is: 67,306.85
Step by Step Solution
- Step 1: Write the proportion equation
89,068.36 : 122,907.94 = 48,775.62 : x - Step 2: Convert to fraction form
89,068.36/122,907.94 = 48,775.62/x - Step 3: Cross multiply
89,068.36x = 122,907.94 × 48,775.62 - Step 4: Simplify right side
89,068.36x = 5,994,910,976.42 - Step 5: Solve for x
x = 5,994,910,976.42/89,068.36 - Step 6: Final answer
x = 67,306.85
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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.