Finding the Fourth Proportional to 88,634.48, 122,311.08 and 48,347.91
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Solution
The fourth proportional to 88,634.48, 122,311.08 and 48,347.91 is: 66,717.66
Step by Step Solution
- Step 1: Write the proportion equation
88,634.48 : 122,311.08 = 48,347.91 : x - Step 2: Convert to fraction form
88,634.48/122,311.08 = 48,347.91/x - Step 3: Cross multiply
88,634.48x = 122,311.08 × 48,347.91 - Step 4: Simplify right side
88,634.48x = 5,913,485,087.84 - Step 5: Solve for x
x = 5,913,485,087.84/88,634.48 - Step 6: Final answer
x = 66,717.66
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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.