Finding the Fourth Proportional to 124,965.44, 172,452.12 and 68,376.80
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Solution
The fourth proportional to 124,965.44, 172,452.12 and 68,376.80 is: 94,359.88
Step by Step Solution
- Step 1: Write the proportion equation
124,965.44 : 172,452.12 = 68,376.80 : x - Step 2: Convert to fraction form
124,965.44/172,452.12 = 68,376.80/x - Step 3: Cross multiply
124,965.44x = 172,452.12 × 68,376.80 - Step 4: Simplify right side
124,965.44x = 11,791,724,118.82 - Step 5: Solve for x
x = 11,791,724,118.82/124,965.44 - Step 6: Final answer
x = 94,359.88
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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.