Finding the Fourth Proportional to 73,821.87, 110,725.77 and 29,436.75
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Solution
The fourth proportional to 73,821.87, 110,725.77 and 29,436.75 is: 44,152.32
Step by Step Solution
- Step 1: Write the proportion equation
73,821.87 : 110,725.77 = 29,436.75 : x - Step 2: Convert to fraction form
73,821.87/110,725.77 = 29,436.75/x - Step 3: Cross multiply
73,821.87x = 110,725.77 × 29,436.75 - Step 4: Simplify right side
73,821.87x = 3,259,406,810.05 - Step 5: Solve for x
x = 3,259,406,810.05/73,821.87 - Step 6: Final answer
x = 44,152.32
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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.