Finding the Fourth Proportional to 86,662.28, 129,992.82 and 24,332.84
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Solution
The fourth proportional to 86,662.28, 129,992.82 and 24,332.84 is: 36,499.09
Step by Step Solution
- Step 1: Write the proportion equation
86,662.28 : 129,992.82 = 24,332.84 : x - Step 2: Convert to fraction form
86,662.28/129,992.82 = 24,332.84/x - Step 3: Cross multiply
86,662.28x = 129,992.82 × 24,332.84 - Step 4: Simplify right side
86,662.28x = 3,163,094,490.21 - Step 5: Solve for x
x = 3,163,094,490.21/86,662.28 - Step 6: Final answer
x = 36,499.09
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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.