Finding the Fourth Proportional to 86,611.95, 129,921.57 and 27,449.96
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Solution
The fourth proportional to 86,611.95, 129,921.57 and 27,449.96 is: 41,176.09
Step by Step Solution
- Step 1: Write the proportion equation
86,611.95 : 129,921.57 = 27,449.96 : x - Step 2: Convert to fraction form
86,611.95/129,921.57 = 27,449.96/x - Step 3: Cross multiply
86,611.95x = 129,921.57 × 27,449.96 - Step 4: Simplify right side
86,611.95x = 3,566,341,250.03 - Step 5: Solve for x
x = 3,566,341,250.03/86,611.95 - Step 6: Final answer
x = 41,176.09
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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.