Finding the Fourth Proportional to 107,770.54, 161,655.80 and 32,891.07
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Solution
The fourth proportional to 107,770.54, 161,655.80 and 32,891.07 is: 49,336.60
Step by Step Solution
- Step 1: Write the proportion equation
107,770.54 : 161,655.80 = 32,891.07 : x - Step 2: Convert to fraction form
107,770.54/161,655.80 = 32,891.07/x - Step 3: Cross multiply
107,770.54x = 161,655.80 × 32,891.07 - Step 4: Simplify right side
107,770.54x = 5,317,032,069.25 - Step 5: Solve for x
x = 5,317,032,069.25/107,770.54 - Step 6: Final answer
x = 49,336.60
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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.