Finding the Fourth Proportional to 75,284.92, 103,895.49 and 41,295.97
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Solution
The fourth proportional to 75,284.92, 103,895.49 and 41,295.97 is: 56,989.70
Step by Step Solution
- Step 1: Write the proportion equation
75,284.92 : 103,895.49 = 41,295.97 : x - Step 2: Convert to fraction form
75,284.92/103,895.49 = 41,295.97/x - Step 3: Cross multiply
75,284.92x = 103,895.49 × 41,295.97 - Step 4: Simplify right side
75,284.92x = 4,290,465,038.18 - Step 5: Solve for x
x = 4,290,465,038.18/75,284.92 - Step 6: Final answer
x = 56,989.70
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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.