Finding the Fourth Proportional to 85,073.68, 117,427.49 and 49,272.49
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Solution
The fourth proportional to 85,073.68, 117,427.49 and 49,272.49 is: 68,010.99
Step by Step Solution
- Step 1: Write the proportion equation
85,073.68 : 117,427.49 = 49,272.49 : x - Step 2: Convert to fraction form
85,073.68/117,427.49 = 49,272.49/x - Step 3: Cross multiply
85,073.68x = 117,427.49 × 49,272.49 - Step 4: Simplify right side
85,073.68x = 5,785,944,826.75 - Step 5: Solve for x
x = 5,785,944,826.75/85,073.68 - Step 6: Final answer
x = 68,010.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.