Finding the Fourth Proportional to 71,349.53, 106,925.87 and 53,800.07
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Solution
The fourth proportional to 71,349.53, 106,925.87 and 53,800.07 is: 80,625.89
Step by Step Solution
- Step 1: Write the proportion equation
71,349.53 : 106,925.87 = 53,800.07 : x - Step 2: Convert to fraction form
71,349.53/106,925.87 = 53,800.07/x - Step 3: Cross multiply
71,349.53x = 106,925.87 × 53,800.07 - Step 4: Simplify right side
71,349.53x = 5,752,618,890.68 - Step 5: Solve for x
x = 5,752,618,890.68/71,349.53 - Step 6: Final answer
x = 80,625.89
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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.