Finding the Fourth Proportional to 104,474.76, 144,207.99 and 66,748.92
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Solution
The fourth proportional to 104,474.76, 144,207.99 and 66,748.92 is: 92,134.48
Step by Step Solution
- Step 1: Write the proportion equation
104,474.76 : 144,207.99 = 66,748.92 : x - Step 2: Convert to fraction form
104,474.76/144,207.99 = 66,748.92/x - Step 3: Cross multiply
104,474.76x = 144,207.99 × 66,748.92 - Step 4: Simplify right side
104,474.76x = 9,625,727,587.87 - Step 5: Solve for x
x = 9,625,727,587.87/104,474.76 - Step 6: Final answer
x = 92,134.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.