Finding the Fourth Proportional to 71,136.08, 106,618.89 and 33,134.12
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Solution
The fourth proportional to 71,136.08, 106,618.89 and 33,134.12 is: 49,661.48
Step by Step Solution
- Step 1: Write the proportion equation
71,136.08 : 106,618.89 = 33,134.12 : x - Step 2: Convert to fraction form
71,136.08/106,618.89 = 33,134.12/x - Step 3: Cross multiply
71,136.08x = 106,618.89 × 33,134.12 - Step 4: Simplify right side
71,136.08x = 3,532,723,095.53 - Step 5: Solve for x
x = 3,532,723,095.53/71,136.08 - Step 6: Final answer
x = 49,661.48
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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.