Finding the Fourth Proportional to 74,690.44, 112,046.58 and 27,307.84
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Solution
The fourth proportional to 74,690.44, 112,046.58 and 27,307.84 is: 40,965.75
Step by Step Solution
- Step 1: Write the proportion equation
74,690.44 : 112,046.58 = 27,307.84 : x - Step 2: Convert to fraction form
74,690.44/112,046.58 = 27,307.84/x - Step 3: Cross multiply
74,690.44x = 112,046.58 × 27,307.84 - Step 4: Simplify right side
74,690.44x = 3,059,750,079.19 - Step 5: Solve for x
x = 3,059,750,079.19/74,690.44 - Step 6: Final answer
x = 40,965.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.