Finding the Fourth Proportional to 87,068.67, 120,161.93 and 48,827.49
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Solution
The fourth proportional to 87,068.67, 120,161.93 and 48,827.49 is: 67,385.95
Step by Step Solution
- Step 1: Write the proportion equation
87,068.67 : 120,161.93 = 48,827.49 : x - Step 2: Convert to fraction form
87,068.67/120,161.93 = 48,827.49/x - Step 3: Cross multiply
87,068.67x = 120,161.93 × 48,827.49 - Step 4: Simplify right side
87,068.67x = 5,867,205,191.32 - Step 5: Solve for x
x = 5,867,205,191.32/87,068.67 - Step 6: Final answer
x = 67,385.95
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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.