Finding the Fourth Proportional to 88,745.13, 122,468.88 and 48,459.18
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Solution
The fourth proportional to 88,745.13, 122,468.88 and 48,459.18 is: 66,874.00
Step by Step Solution
- Step 1: Write the proportion equation
88,745.13 : 122,468.88 = 48,459.18 : x - Step 2: Convert to fraction form
88,745.13/122,468.88 = 48,459.18/x - Step 3: Cross multiply
88,745.13x = 122,468.88 × 48,459.18 - Step 4: Simplify right side
88,745.13x = 5,934,741,500.32 - Step 5: Solve for x
x = 5,934,741,500.32/88,745.13 - Step 6: Final answer
x = 66,874.00
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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.