Finding the Fourth Proportional to 71,169.24, 106,753.70 and 66,838.98
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Solution
The fourth proportional to 71,169.24, 106,753.70 and 66,838.98 is: 100,258.32
Step by Step Solution
- Step 1: Write the proportion equation
71,169.24 : 106,753.70 = 66,838.98 : x - Step 2: Convert to fraction form
71,169.24/106,753.70 = 66,838.98/x - Step 3: Cross multiply
71,169.24x = 106,753.70 × 66,838.98 - Step 4: Simplify right side
71,169.24x = 7,135,308,419.23 - Step 5: Solve for x
x = 7,135,308,419.23/71,169.24 - Step 6: Final answer
x = 100,258.32
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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.