Finding the Fourth Proportional to 86,408.98, 119,243.82 and 48,168.88
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Solution
The fourth proportional to 86,408.98, 119,243.82 and 48,168.88 is: 66,472.74
Step by Step Solution
- Step 1: Write the proportion equation
86,408.98 : 119,243.82 = 48,168.88 : x - Step 2: Convert to fraction form
86,408.98/119,243.82 = 48,168.88/x - Step 3: Cross multiply
86,408.98x = 119,243.82 × 48,168.88 - Step 4: Simplify right side
86,408.98x = 5,743,841,256.32 - Step 5: Solve for x
x = 5,743,841,256.32/86,408.98 - Step 6: Final answer
x = 66,472.74
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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.