Finding the Fourth Proportional to 86,900.44, 119,925.42 and 49,173.88
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Solution
The fourth proportional to 86,900.44, 119,925.42 and 49,173.88 is: 67,861.55
Step by Step Solution
- Step 1: Write the proportion equation
86,900.44 : 119,925.42 = 49,173.88 : x - Step 2: Convert to fraction form
86,900.44/119,925.42 = 49,173.88/x - Step 3: Cross multiply
86,900.44x = 119,925.42 × 49,173.88 - Step 4: Simplify right side
86,900.44x = 5,897,198,212.03 - Step 5: Solve for x
x = 5,897,198,212.03/86,900.44 - Step 6: Final answer
x = 67,861.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.