Finding the Fourth Proportional to 77,503.21, 116,214.38 and 27,576.03
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Solution
The fourth proportional to 77,503.21, 116,214.38 and 27,576.03 is: 41,349.66
Step by Step Solution
- Step 1: Write the proportion equation
77,503.21 : 116,214.38 = 27,576.03 : x - Step 2: Convert to fraction form
77,503.21/116,214.38 = 27,576.03/x - Step 3: Cross multiply
77,503.21x = 116,214.38 × 27,576.03 - Step 4: Simplify right side
77,503.21x = 3,204,731,229.31 - Step 5: Solve for x
x = 3,204,731,229.31/77,503.21 - Step 6: Final answer
x = 41,349.66
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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.