Finding the Fourth Proportional to 86,560.02, 129,827.01 and 27,387.99
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Solution
The fourth proportional to 86,560.02, 129,827.01 and 27,387.99 is: 41,077.87
Step by Step Solution
- Step 1: Write the proportion equation
86,560.02 : 129,827.01 = 27,387.99 : x - Step 2: Convert to fraction form
86,560.02/129,827.01 = 27,387.99/x - Step 3: Cross multiply
86,560.02x = 129,827.01 × 27,387.99 - Step 4: Simplify right side
86,560.02x = 3,555,700,851.61 - Step 5: Solve for x
x = 3,555,700,851.61/86,560.02 - Step 6: Final answer
x = 41,077.87
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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.