Finding the Fourth Proportional to 90,850.67, 136,331.15 and 33,965.99
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Solution
The fourth proportional to 90,850.67, 136,331.15 and 33,965.99 is: 50,969.61
Step by Step Solution
- Step 1: Write the proportion equation
90,850.67 : 136,331.15 = 33,965.99 : x - Step 2: Convert to fraction form
90,850.67/136,331.15 = 33,965.99/x - Step 3: Cross multiply
90,850.67x = 136,331.15 × 33,965.99 - Step 4: Simplify right side
90,850.67x = 4,630,623,190.80 - Step 5: Solve for x
x = 4,630,623,190.80/90,850.67 - Step 6: Final answer
x = 50,969.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.