Finding the Fourth Proportional to 88,905.30, 122,692.62 and 48,616.68
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Solution
The fourth proportional to 88,905.30, 122,692.62 and 48,616.68 is: 67,092.83
Step by Step Solution
- Step 1: Write the proportion equation
88,905.30 : 122,692.62 = 48,616.68 : x - Step 2: Convert to fraction form
88,905.30/122,692.62 = 48,616.68/x - Step 3: Cross multiply
88,905.30x = 122,692.62 × 48,616.68 - Step 4: Simplify right side
88,905.30x = 5,964,907,844.90 - Step 5: Solve for x
x = 5,964,907,844.90/88,905.30 - Step 6: Final answer
x = 67,092.83
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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.