Finding the Fourth Proportional to 76,063.84, 114,019.08 and 31,715.08
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Solution
The fourth proportional to 76,063.84, 114,019.08 and 31,715.08 is: 47,540.65
Step by Step Solution
- Step 1: Write the proportion equation
76,063.84 : 114,019.08 = 31,715.08 : x - Step 2: Convert to fraction form
76,063.84/114,019.08 = 31,715.08/x - Step 3: Cross multiply
76,063.84x = 114,019.08 × 31,715.08 - Step 4: Simplify right side
76,063.84x = 3,616,124,243.73 - Step 5: Solve for x
x = 3,616,124,243.73/76,063.84 - Step 6: Final answer
x = 47,540.65
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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.