Finding the Fourth Proportional to 88,692.37, 122,394.51 and 48,405.80
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Solution
The fourth proportional to 88,692.37, 122,394.51 and 48,405.80 is: 66,799.49
Step by Step Solution
- Step 1: Write the proportion equation
88,692.37 : 122,394.51 = 48,405.80 : x - Step 2: Convert to fraction form
88,692.37/122,394.51 = 48,405.80/x - Step 3: Cross multiply
88,692.37x = 122,394.51 × 48,405.80 - Step 4: Simplify right side
88,692.37x = 5,924,604,478.14 - Step 5: Solve for x
x = 5,924,604,478.14/88,692.37 - Step 6: Final answer
x = 66,799.49
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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.