Finding the Fourth Proportional to 71,350.29, 106,926.96 and 53,800.83
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Solution
The fourth proportional to 71,350.29, 106,926.96 and 53,800.83 is: 80,626.99
Step by Step Solution
- Step 1: Write the proportion equation
71,350.29 : 106,926.96 = 53,800.83 : x - Step 2: Convert to fraction form
71,350.29/106,926.96 = 53,800.83/x - Step 3: Cross multiply
71,350.29x = 106,926.96 × 53,800.83 - Step 4: Simplify right side
71,350.29x = 5,752,759,197.38 - Step 5: Solve for x
x = 5,752,759,197.38/71,350.29 - Step 6: Final answer
x = 80,626.99
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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.