Finding the Fourth Proportional to 67,861.08, 101,792.16 and 27,869.76
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Solution
The fourth proportional to 67,861.08, 101,792.16 and 27,869.76 is: 41,804.86
Step by Step Solution
- Step 1: Write the proportion equation
67,861.08 : 101,792.16 = 27,869.76 : x - Step 2: Convert to fraction form
67,861.08/101,792.16 = 27,869.76/x - Step 3: Cross multiply
67,861.08x = 101,792.16 × 27,869.76 - Step 4: Simplify right side
67,861.08x = 2,836,923,069.08 - Step 5: Solve for x
x = 2,836,923,069.08/67,861.08 - Step 6: Final answer
x = 41,804.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.