Finding the Fourth Proportional to 75,332.62, 112,998.82 and 30,928.09
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Solution
The fourth proportional to 75,332.62, 112,998.82 and 30,928.09 is: 46,392.09
Step by Step Solution
- Step 1: Write the proportion equation
75,332.62 : 112,998.82 = 30,928.09 : x - Step 2: Convert to fraction form
75,332.62/112,998.82 = 30,928.09/x - Step 3: Cross multiply
75,332.62x = 112,998.82 × 30,928.09 - Step 4: Simplify right side
75,332.62x = 3,494,837,674.85 - Step 5: Solve for x
x = 3,494,837,674.85/75,332.62 - Step 6: Final answer
x = 46,392.09
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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.