Finding the Fourth Proportional to 85,548.44, 118,057.61 and 47,310.56
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Solution
The fourth proportional to 85,548.44, 118,057.61 and 47,310.56 is: 65,288.99
Step by Step Solution
- Step 1: Write the proportion equation
85,548.44 : 118,057.61 = 47,310.56 : x - Step 2: Convert to fraction form
85,548.44/118,057.61 = 47,310.56/x - Step 3: Cross multiply
85,548.44x = 118,057.61 × 47,310.56 - Step 4: Simplify right side
85,548.44x = 5,585,371,641.36 - Step 5: Solve for x
x = 5,585,371,641.36/85,548.44 - Step 6: Final answer
x = 65,288.99
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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.