Finding the Fourth Proportional to 91,228.62, 136,786.98 and 32,071.08
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Solution
The fourth proportional to 91,228.62, 136,786.98 and 32,071.08 is: 48,086.95
Step by Step Solution
- Step 1: Write the proportion equation
91,228.62 : 136,786.98 = 32,071.08 : x - Step 2: Convert to fraction form
91,228.62/136,786.98 = 32,071.08/x - Step 3: Cross multiply
91,228.62x = 136,786.98 × 32,071.08 - Step 4: Simplify right side
91,228.62x = 4,386,906,178.54 - Step 5: Solve for x
x = 4,386,906,178.54/91,228.62 - Step 6: Final answer
x = 48,086.95
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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.