Finding the Fourth Proportional to 71,611.95, 107,420.62 and 27,230.43
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Solution
The fourth proportional to 71,611.95, 107,420.62 and 27,230.43 is: 40,846.66
Step by Step Solution
- Step 1: Write the proportion equation
71,611.95 : 107,420.62 = 27,230.43 : x - Step 2: Convert to fraction form
71,611.95/107,420.62 = 27,230.43/x - Step 3: Cross multiply
71,611.95x = 107,420.62 × 27,230.43 - Step 4: Simplify right side
71,611.95x = 2,925,109,068.29 - Step 5: Solve for x
x = 2,925,109,068.29/71,611.95 - Step 6: Final answer
x = 40,846.66
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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.