Finding the Fourth Proportional to 86,166.88, 129,259.58 and 36,252.06
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Solution
The fourth proportional to 86,166.88, 129,259.58 and 36,252.06 is: 54,381.99
Step by Step Solution
- Step 1: Write the proportion equation
86,166.88 : 129,259.58 = 36,252.06 : x - Step 2: Convert to fraction form
86,166.88/129,259.58 = 36,252.06/x - Step 3: Cross multiply
86,166.88x = 129,259.58 × 36,252.06 - Step 4: Simplify right side
86,166.88x = 4,685,926,049.73 - Step 5: Solve for x
x = 4,685,926,049.73/86,166.88 - Step 6: Final answer
x = 54,381.99
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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.