Finding the Fourth Proportional to 76,045.05, 114,084.99 and 36,635.31
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Solution
The fourth proportional to 76,045.05, 114,084.99 and 36,635.31 is: 54,961.35
Step by Step Solution
- Step 1: Write the proportion equation
76,045.05 : 114,084.99 = 36,635.31 : x - Step 2: Convert to fraction form
76,045.05/114,084.99 = 36,635.31/x - Step 3: Cross multiply
76,045.05x = 114,084.99 × 36,635.31 - Step 4: Simplify right side
76,045.05x = 4,179,538,975.00 - Step 5: Solve for x
x = 4,179,538,975.00/76,045.05 - Step 6: Final answer
x = 54,961.35
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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.