Finding the Fourth Proportional to 80,109.38, 110,549.12 and 44,299.68
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Solution
The fourth proportional to 80,109.38, 110,549.12 and 44,299.68 is: 61,132.55
Step by Step Solution
- Step 1: Write the proportion equation
80,109.38 : 110,549.12 = 44,299.68 : x - Step 2: Convert to fraction form
80,109.38/110,549.12 = 44,299.68/x - Step 3: Cross multiply
80,109.38x = 110,549.12 × 44,299.68 - Step 4: Simplify right side
80,109.38x = 4,897,290,418.78 - Step 5: Solve for x
x = 4,897,290,418.78/80,109.38 - Step 6: Final answer
x = 61,132.55
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1.5x scale
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.