Finding the Fourth Proportional to 77,583.68, 107,065.61 and 44,049.68
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Solution
The fourth proportional to 77,583.68, 107,065.61 and 44,049.68 is: 60,788.63
Step by Step Solution
- Step 1: Write the proportion equation
77,583.68 : 107,065.61 = 44,049.68 : x - Step 2: Convert to fraction form
77,583.68/107,065.61 = 44,049.68/x - Step 3: Cross multiply
77,583.68x = 107,065.61 × 44,049.68 - Step 4: Simplify right side
77,583.68x = 4,716,205,639.26 - Step 5: Solve for x
x = 4,716,205,639.26/77,583.68 - Step 6: Final answer
x = 60,788.63
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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.