Finding the Fourth Proportional to 76,775.46, 115,123.09 and 24,170.82
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Solution
The fourth proportional to 76,775.46, 115,123.09 and 24,170.82 is: 36,243.61
Step by Step Solution
- Step 1: Write the proportion equation
76,775.46 : 115,123.09 = 24,170.82 : x - Step 2: Convert to fraction form
76,775.46/115,123.09 = 24,170.82/x - Step 3: Cross multiply
76,775.46x = 115,123.09 × 24,170.82 - Step 4: Simplify right side
76,775.46x = 2,782,619,486.23 - Step 5: Solve for x
x = 2,782,619,486.23/76,775.46 - Step 6: Final answer
x = 36,243.61
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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.