Finding the Fourth Proportional to 88,949.36, 122,748.27 and 48,663.02
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Solution
The fourth proportional to 88,949.36, 122,748.27 and 48,663.02 is: 67,153.96
Step by Step Solution
- Step 1: Write the proportion equation
88,949.36 : 122,748.27 = 48,663.02 : x - Step 2: Convert to fraction form
88,949.36/122,748.27 = 48,663.02/x - Step 3: Cross multiply
88,949.36x = 122,748.27 × 48,663.02 - Step 4: Simplify right side
88,949.36x = 5,973,301,517.98 - Step 5: Solve for x
x = 5,973,301,517.98/88,949.36 - Step 6: Final answer
x = 67,153.96
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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.