Finding the Fourth Proportional to 74,809.82, 103,239.60 and 44,597.63
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Solution
The fourth proportional to 74,809.82, 103,239.60 and 44,597.63 is: 61,545.95
Step by Step Solution
- Step 1: Write the proportion equation
74,809.82 : 103,239.60 = 44,597.63 : x - Step 2: Convert to fraction form
74,809.82/103,239.60 = 44,597.63/x - Step 3: Cross multiply
74,809.82x = 103,239.60 × 44,597.63 - Step 4: Simplify right side
74,809.82x = 4,604,241,573.01 - Step 5: Solve for x
x = 4,604,241,573.01/74,809.82 - Step 6: Final answer
x = 61,545.95
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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.