Finding the Fourth Proportional to 89,469.92, 134,221.08 and 36,850.70
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Solution
The fourth proportional to 89,469.92, 134,221.08 and 36,850.70 is: 55,282.72
Step by Step Solution
- Step 1: Write the proportion equation
89,469.92 : 134,221.08 = 36,850.70 : x - Step 2: Convert to fraction form
89,469.92/134,221.08 = 36,850.70/x - Step 3: Cross multiply
89,469.92x = 134,221.08 × 36,850.70 - Step 4: Simplify right side
89,469.92x = 4,946,140,752.76 - Step 5: Solve for x
x = 4,946,140,752.76/89,469.92 - Step 6: Final answer
x = 55,282.72
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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.