Finding the Fourth Proportional to 74,249.84, 111,348.84 and 29,865.08
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Solution
The fourth proportional to 74,249.84, 111,348.84 and 29,865.08 is: 44,787.19
Step by Step Solution
- Step 1: Write the proportion equation
74,249.84 : 111,348.84 = 29,865.08 : x - Step 2: Convert to fraction form
74,249.84/111,348.84 = 29,865.08/x - Step 3: Cross multiply
74,249.84x = 111,348.84 × 29,865.08 - Step 4: Simplify right side
74,249.84x = 3,325,442,014.51 - Step 5: Solve for x
x = 3,325,442,014.51/74,249.84 - Step 6: Final answer
x = 44,787.19
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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.