Finding the Fourth Proportional to 102,635.70, 153,969.34 and 36,060.99
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Solution
The fourth proportional to 102,635.70, 153,969.34 and 36,060.99 is: 54,097.03
Step by Step Solution
- Step 1: Write the proportion equation
102,635.70 : 153,969.34 = 36,060.99 : x - Step 2: Convert to fraction form
102,635.70/153,969.34 = 36,060.99/x - Step 3: Cross multiply
102,635.70x = 153,969.34 × 36,060.99 - Step 4: Simplify right side
102,635.70x = 5,552,286,830.05 - Step 5: Solve for x
x = 5,552,286,830.05/102,635.70 - Step 6: Final answer
x = 54,097.03
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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.