Finding the Fourth Proportional to 75,684.24, 113,438.88 and 44,105.04
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Solution
The fourth proportional to 75,684.24, 113,438.88 and 44,105.04 is: 66,106.58
Step by Step Solution
- Step 1: Write the proportion equation
75,684.24 : 113,438.88 = 44,105.04 : x - Step 2: Convert to fraction form
75,684.24/113,438.88 = 44,105.04/x - Step 3: Cross multiply
75,684.24x = 113,438.88 × 44,105.04 - Step 4: Simplify right side
75,684.24x = 5,003,226,339.96 - Step 5: Solve for x
x = 5,003,226,339.96/75,684.24 - Step 6: Final answer
x = 66,106.58
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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.