Finding the Fourth Proportional to 91,616.36, 137,513.22 and 44,264.76
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Solution
The fourth proportional to 91,616.36, 137,513.22 and 44,264.76 is: 66,439.99
Step by Step Solution
- Step 1: Write the proportion equation
91,616.36 : 137,513.22 = 44,264.76 : x - Step 2: Convert to fraction form
91,616.36/137,513.22 = 44,264.76/x - Step 3: Cross multiply
91,616.36x = 137,513.22 × 44,264.76 - Step 4: Simplify right side
91,616.36x = 6,086,989,680.13 - Step 5: Solve for x
x = 6,086,989,680.13/91,616.36 - Step 6: Final answer
x = 66,439.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.