Finding the Fourth Proportional to 71,841.24, 107,818.04 and 49,809.80
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Solution
The fourth proportional to 71,841.24, 107,818.04 and 49,809.80 is: 74,753.65
Step by Step Solution
- Step 1: Write the proportion equation
71,841.24 : 107,818.04 = 49,809.80 : x - Step 2: Convert to fraction form
71,841.24/107,818.04 = 49,809.80/x - Step 3: Cross multiply
71,841.24x = 107,818.04 × 49,809.80 - Step 4: Simplify right side
71,841.24x = 5,370,395,008.79 - Step 5: Solve for x
x = 5,370,395,008.79/71,841.24 - Step 6: Final answer
x = 74,753.65
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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.