Finding the Fourth Proportional to 86,508.12, 129,750.96 and 27,349.76
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Solution
The fourth proportional to 86,508.12, 129,750.96 and 27,349.76 is: 41,021.09
Step by Step Solution
- Step 1: Write the proportion equation
86,508.12 : 129,750.96 = 27,349.76 : x - Step 2: Convert to fraction form
86,508.12/129,750.96 = 27,349.76/x - Step 3: Cross multiply
86,508.12x = 129,750.96 × 27,349.76 - Step 4: Simplify right side
86,508.12x = 3,548,657,615.77 - Step 5: Solve for x
x = 3,548,657,615.77/86,508.12 - Step 6: Final answer
x = 41,021.09
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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.