Finding the Fourth Proportional to 124,965.46, 172,451.63 and 67,604.62
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Solution
The fourth proportional to 124,965.46, 172,451.63 and 67,604.62 is: 93,293.99
Step by Step Solution
- Step 1: Write the proportion equation
124,965.46 : 172,451.63 = 67,604.62 : x - Step 2: Convert to fraction form
124,965.46/172,451.63 = 67,604.62/x - Step 3: Cross multiply
124,965.46x = 172,451.63 × 67,604.62 - Step 4: Simplify right side
124,965.46x = 11,658,526,260.82 - Step 5: Solve for x
x = 11,658,526,260.82/124,965.46 - Step 6: Final answer
x = 93,293.99
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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.