Finding the Fourth Proportional to 86,666.28, 129,998.82 and 24,336.84
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Solution
The fourth proportional to 86,666.28, 129,998.82 and 24,336.84 is: 36,505.09
Step by Step Solution
- Step 1: Write the proportion equation
86,666.28 : 129,998.82 = 24,336.84 : x - Step 2: Convert to fraction form
86,666.28/129,998.82 = 24,336.84/x - Step 3: Cross multiply
86,666.28x = 129,998.82 × 24,336.84 - Step 4: Simplify right side
86,666.28x = 3,163,760,482.53 - Step 5: Solve for x
x = 3,163,760,482.53/86,666.28 - Step 6: Final answer
x = 36,505.09
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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.