Finding the Fourth Proportional to 75,880.95, 104,715.11 and 41,889.44
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Solution
The fourth proportional to 75,880.95, 104,715.11 and 41,889.44 is: 57,807.09
Step by Step Solution
- Step 1: Write the proportion equation
75,880.95 : 104,715.11 = 41,889.44 : x - Step 2: Convert to fraction form
75,880.95/104,715.11 = 41,889.44/x - Step 3: Cross multiply
75,880.95x = 104,715.11 × 41,889.44 - Step 4: Simplify right side
75,880.95x = 4,386,456,584.42 - Step 5: Solve for x
x = 4,386,456,584.42/75,880.95 - Step 6: Final answer
x = 57,807.09
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1.5x scale
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.