Finding the Fourth Proportional to 83,443.68, 125,193.45 and 27,286.38
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Solution
The fourth proportional to 83,443.68, 125,193.45 and 27,286.38 is: 40,938.70
Step by Step Solution
- Step 1: Write the proportion equation
83,443.68 : 125,193.45 = 27,286.38 : x - Step 2: Convert to fraction form
83,443.68/125,193.45 = 27,286.38/x - Step 3: Cross multiply
83,443.68x = 125,193.45 × 27,286.38 - Step 4: Simplify right side
83,443.68x = 3,416,076,050.21 - Step 5: Solve for x
x = 3,416,076,050.21/83,443.68 - Step 6: Final answer
x = 40,938.70
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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.