Finding the Fourth Proportional to 87,176.27, 120,283.62 and 51,369.62
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Solution
The fourth proportional to 87,176.27, 120,283.62 and 51,369.62 is: 70,878.50
Step by Step Solution
- Step 1: Write the proportion equation
87,176.27 : 120,283.62 = 51,369.62 : x - Step 2: Convert to fraction form
87,176.27/120,283.62 = 51,369.62/x - Step 3: Cross multiply
87,176.27x = 120,283.62 × 51,369.62 - Step 4: Simplify right side
87,176.27x = 6,178,923,250.21 - Step 5: Solve for x
x = 6,178,923,250.21/87,176.27 - Step 6: Final answer
x = 70,878.50
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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.