Finding the Fourth Proportional to 77,583.18, 107,064.92 and 44,049.18
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Solution
The fourth proportional to 77,583.18, 107,064.92 and 44,049.18 is: 60,787.94
Step by Step Solution
- Step 1: Write the proportion equation
77,583.18 : 107,064.92 = 44,049.18 : x - Step 2: Convert to fraction form
77,583.18/107,064.92 = 44,049.18/x - Step 3: Cross multiply
77,583.18x = 107,064.92 × 44,049.18 - Step 4: Simplify right side
77,583.18x = 4,716,121,712.52 - Step 5: Solve for x
x = 4,716,121,712.52/77,583.18 - Step 6: Final answer
x = 60,787.94
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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.