Finding the Fourth Proportional to 85,102.57, 117,444.76 and 46,863.79
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Solution
The fourth proportional to 85,102.57, 117,444.76 and 46,863.79 is: 64,673.80
Step by Step Solution
- Step 1: Write the proportion equation
85,102.57 : 117,444.76 = 46,863.79 : x - Step 2: Convert to fraction form
85,102.57/117,444.76 = 46,863.79/x - Step 3: Cross multiply
85,102.57x = 117,444.76 × 46,863.79 - Step 4: Simplify right side
85,102.57x = 5,503,906,569.24 - Step 5: Solve for x
x = 5,503,906,569.24/85,102.57 - Step 6: Final answer
x = 64,673.80
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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.