Finding the Fourth Proportional to 85,123.36, 117,470.46 and 46,882
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Solution
The fourth proportional to 85,123.36, 117,470.46 and 46,882 is: 64,697.28
Step by Step Solution
- Step 1: Write the proportion equation
85,123.36 : 117,470.46 = 46,882 : x - Step 2: Convert to fraction form
85,123.36/117,470.46 = 46,882/x - Step 3: Cross multiply
85,123.36x = 117,470.46 × 46,882 - Step 4: Simplify right side
85,123.36x = 5,507,250,105.72 - Step 5: Solve for x
x = 5,507,250,105.72/85,123.36 - Step 6: Final answer
x = 64,697.28
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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.