Finding the Fourth Proportional to 75,551.62, 113,352.09 and 36,111.81
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Solution
The fourth proportional to 75,551.62, 113,352.09 and 36,111.81 is: 54,179.50
Step by Step Solution
- Step 1: Write the proportion equation
75,551.62 : 113,352.09 = 36,111.81 : x - Step 2: Convert to fraction form
75,551.62/113,352.09 = 36,111.81/x - Step 3: Cross multiply
75,551.62x = 113,352.09 × 36,111.81 - Step 4: Simplify right side
75,551.62x = 4,093,349,137.18 - Step 5: Solve for x
x = 4,093,349,137.18/75,551.62 - Step 6: Final answer
x = 54,179.50
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1.5x scale
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.