Finding the Fourth Proportional to 75,295.10, 112,869.21 and 35,841.62
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Solution
The fourth proportional to 75,295.10, 112,869.21 and 35,841.62 is: 53,727.48
Step by Step Solution
- Step 1: Write the proportion equation
75,295.10 : 112,869.21 = 35,841.62 : x - Step 2: Convert to fraction form
75,295.10/112,869.21 = 35,841.62/x - Step 3: Cross multiply
75,295.10x = 112,869.21 × 35,841.62 - Step 4: Simplify right side
75,295.10x = 4,045,415,751.10 - Step 5: Solve for x
x = 4,045,415,751.10/75,295.10 - Step 6: Final answer
x = 53,727.48
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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.