Finding the Fourth Proportional to 88,936.18, 122,734.44 and 48,652.55
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Solution
The fourth proportional to 88,936.18, 122,734.44 and 48,652.55 is: 67,141.89
Step by Step Solution
- Step 1: Write the proportion equation
88,936.18 : 122,734.44 = 48,652.55 : x - Step 2: Convert to fraction form
88,936.18/122,734.44 = 48,652.55/x - Step 3: Cross multiply
88,936.18x = 122,734.44 × 48,652.55 - Step 4: Simplify right side
88,936.18x = 5,971,343,325.40 - Step 5: Solve for x
x = 5,971,343,325.40/88,936.18 - Step 6: Final answer
x = 67,141.89
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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.