Finding the Fourth Proportional to 124,965.25, 172,452.05 and 68,376.63
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Solution
The fourth proportional to 124,965.25, 172,452.05 and 68,376.63 is: 94,359.75
Step by Step Solution
- Step 1: Write the proportion equation
124,965.25 : 172,452.05 = 68,376.63 : x - Step 2: Convert to fraction form
124,965.25/172,452.05 = 68,376.63/x - Step 3: Cross multiply
124,965.25x = 172,452.05 × 68,376.63 - Step 4: Simplify right side
124,965.25x = 11,791,690,015.59 - Step 5: Solve for x
x = 11,791,690,015.59/124,965.25 - Step 6: Final answer
x = 94,359.75
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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.