Finding the Fourth Proportional to 87,364.16, 120,572.58 and 48,605.84
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Solution
The fourth proportional to 87,364.16, 120,572.58 and 48,605.84 is: 67,081.64
Step by Step Solution
- Step 1: Write the proportion equation
87,364.16 : 120,572.58 = 48,605.84 : x - Step 2: Convert to fraction form
87,364.16/120,572.58 = 48,605.84/x - Step 3: Cross multiply
87,364.16x = 120,572.58 × 48,605.84 - Step 4: Simplify right side
87,364.16x = 5,860,531,531.87 - Step 5: Solve for x
x = 5,860,531,531.87/87,364.16 - Step 6: Final answer
x = 67,081.64
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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.