Finding the Fourth Proportional to 86,126.63, 129,244.68 and 44,573.63
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Solution
The fourth proportional to 86,126.63, 129,244.68 and 44,573.63 is: 66,888.77
Step by Step Solution
- Step 1: Write the proportion equation
86,126.63 : 129,244.68 = 44,573.63 : x - Step 2: Convert to fraction form
86,126.63/129,244.68 = 44,573.63/x - Step 3: Cross multiply
86,126.63x = 129,244.68 × 44,573.63 - Step 4: Simplify right side
86,126.63x = 5,760,903,899.57 - Step 5: Solve for x
x = 5,760,903,899.57/86,126.63 - Step 6: Final answer
x = 66,888.77
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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.