Finding the Fourth Proportional to 75,897.92, 104,745.12 and 44,076.80
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Solution
The fourth proportional to 75,897.92, 104,745.12 and 44,076.80 is: 60,829.46
Step by Step Solution
- Step 1: Write the proportion equation
75,897.92 : 104,745.12 = 44,076.80 : x - Step 2: Convert to fraction form
75,897.92/104,745.12 = 44,076.80/x - Step 3: Cross multiply
75,897.92x = 104,745.12 × 44,076.80 - Step 4: Simplify right side
75,897.92x = 4,616,829,705.22 - Step 5: Solve for x
x = 4,616,829,705.22/75,897.92 - Step 6: Final answer
x = 60,829.46
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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.