Finding the Fourth Proportional to 88,408.68, 122,007.19 and 48,120.49
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Solution
The fourth proportional to 88,408.68, 122,007.19 and 48,120.49 is: 66,408.02
Step by Step Solution
- Step 1: Write the proportion equation
88,408.68 : 122,007.19 = 48,120.49 : x - Step 2: Convert to fraction form
88,408.68/122,007.19 = 48,120.49/x - Step 3: Cross multiply
88,408.68x = 122,007.19 × 48,120.49 - Step 4: Simplify right side
88,408.68x = 5,871,045,766.32 - Step 5: Solve for x
x = 5,871,045,766.32/88,408.68 - Step 6: Final answer
x = 66,408.02
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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.