Finding the Fourth Proportional to 107,654.08, 161,497.53 and 55,045.80
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Solution
The fourth proportional to 107,654.08, 161,497.53 and 55,045.80 is: 82,577.09
Step by Step Solution
- Step 1: Write the proportion equation
107,654.08 : 161,497.53 = 55,045.80 : x - Step 2: Convert to fraction form
107,654.08/161,497.53 = 55,045.80/x - Step 3: Cross multiply
107,654.08x = 161,497.53 × 55,045.80 - Step 4: Simplify right side
107,654.08x = 8,889,760,736.87 - Step 5: Solve for x
x = 8,889,760,736.87/107,654.08 - Step 6: Final answer
x = 82,577.09
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1.5x scale
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.