Finding the Fourth Proportional to 85,197.36, 117,568.08 and 49,398.56
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Solution
The fourth proportional to 85,197.36, 117,568.08 and 49,398.56 is: 68,167.53
Step by Step Solution
- Step 1: Write the proportion equation
85,197.36 : 117,568.08 = 49,398.56 : x - Step 2: Convert to fraction form
85,197.36/117,568.08 = 49,398.56/x - Step 3: Cross multiply
85,197.36x = 117,568.08 × 49,398.56 - Step 4: Simplify right side
85,197.36x = 5,807,693,853.96 - Step 5: Solve for x
x = 5,807,693,853.96/85,197.36 - Step 6: Final answer
x = 68,167.53
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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.