Finding the Fourth Proportional to 75,854.96, 104,678.88 and 43,589.19
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Solution
The fourth proportional to 75,854.96, 104,678.88 and 43,589.19 is: 60,152.53
Step by Step Solution
- Step 1: Write the proportion equation
75,854.96 : 104,678.88 = 43,589.19 : x - Step 2: Convert to fraction form
75,854.96/104,678.88 = 43,589.19/x - Step 3: Cross multiply
75,854.96x = 104,678.88 × 43,589.19 - Step 4: Simplify right side
75,854.96x = 4,562,867,198.93 - Step 5: Solve for x
x = 4,562,867,198.93/75,854.96 - Step 6: Final answer
x = 60,152.53
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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.