Finding the Fourth Proportional to 77,706.27, 107,232.26 and 43,716.65
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Solution
The fourth proportional to 77,706.27, 107,232.26 and 43,716.65 is: 60,327.62
Step by Step Solution
- Step 1: Write the proportion equation
77,706.27 : 107,232.26 = 43,716.65 : x - Step 2: Convert to fraction form
77,706.27/107,232.26 = 43,716.65/x - Step 3: Cross multiply
77,706.27x = 107,232.26 × 43,716.65 - Step 4: Simplify right side
77,706.27x = 4,687,834,424.38 - Step 5: Solve for x
x = 4,687,834,424.38/77,706.27 - Step 6: Final answer
x = 60,327.62
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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.