Finding the Fourth Proportional to 88,786.50, 133,221.06 and 38,859.99
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Solution
The fourth proportional to 88,786.50, 133,221.06 and 38,859.99 is: 58,308.07
Step by Step Solution
- Step 1: Write the proportion equation
88,786.50 : 133,221.06 = 38,859.99 : x - Step 2: Convert to fraction form
88,786.50/133,221.06 = 38,859.99/x - Step 3: Cross multiply
88,786.50x = 133,221.06 × 38,859.99 - Step 4: Simplify right side
88,786.50x = 5,176,969,059.39 - Step 5: Solve for x
x = 5,176,969,059.39/88,786.50 - Step 6: Final answer
x = 58,308.07
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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.