Finding the Fourth Proportional to 77,706.68, 107,234.88 and 44,172.68
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Solution
The fourth proportional to 77,706.68, 107,234.88 and 44,172.68 is: 60,958.11
Step by Step Solution
- Step 1: Write the proportion equation
77,706.68 : 107,234.88 = 44,172.68 : x - Step 2: Convert to fraction form
77,706.68/107,234.88 = 44,172.68/x - Step 3: Cross multiply
77,706.68x = 107,234.88 × 44,172.68 - Step 4: Simplify right side
77,706.68x = 4,736,852,039.08 - Step 5: Solve for x
x = 4,736,852,039.08/77,706.68 - Step 6: Final answer
x = 60,958.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.