Finding the Fourth Proportional to 81,350.94, 122,063.52 and 48,136.08
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Solution
The fourth proportional to 81,350.94, 122,063.52 and 48,136.08 is: 72,226.08
Step by Step Solution
- Step 1: Write the proportion equation
81,350.94 : 122,063.52 = 48,136.08 : x - Step 2: Convert to fraction form
81,350.94/122,063.52 = 48,136.08/x - Step 3: Cross multiply
81,350.94x = 122,063.52 × 48,136.08 - Step 4: Simplify right side
81,350.94x = 5,875,659,363.80 - Step 5: Solve for x
x = 5,875,659,363.80/81,350.94 - Step 6: Final answer
x = 72,226.08
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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.