Finding the Fourth Proportional to 80,302.20, 110,812.40 and 44,490.08
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Solution
The fourth proportional to 80,302.20, 110,812.40 and 44,490.08 is: 61,393.74
Step by Step Solution
- Step 1: Write the proportion equation
80,302.20 : 110,812.40 = 44,490.08 : x - Step 2: Convert to fraction form
80,302.20/110,812.40 = 44,490.08/x - Step 3: Cross multiply
80,302.20x = 110,812.40 × 44,490.08 - Step 4: Simplify right side
80,302.20x = 4,930,052,540.99 - Step 5: Solve for x
x = 4,930,052,540.99/80,302.20 - Step 6: Final answer
x = 61,393.74
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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.