Finding the Fourth Proportional to 88,408.28, 122,001.74 and 48,122.84
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Solution
The fourth proportional to 88,408.28, 122,001.74 and 48,122.84 is: 66,408.60
Step by Step Solution
- Step 1: Write the proportion equation
88,408.28 : 122,001.74 = 48,122.84 : x - Step 2: Convert to fraction form
88,408.28/122,001.74 = 48,122.84/x - Step 3: Cross multiply
88,408.28x = 122,001.74 × 48,122.84 - Step 4: Simplify right side
88,408.28x = 5,871,070,213.74 - Step 5: Solve for x
x = 5,871,070,213.74/88,408.28 - Step 6: Final answer
x = 66,408.60
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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.