Finding the Fourth Proportional to 125,839.72, 173,660.04 and 69,252.40
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Solution
The fourth proportional to 125,839.72, 173,660.04 and 69,252.40 is: 95,568.99
Step by Step Solution
- Step 1: Write the proportion equation
125,839.72 : 173,660.04 = 69,252.40 : x - Step 2: Convert to fraction form
125,839.72/173,660.04 = 69,252.40/x - Step 3: Cross multiply
125,839.72x = 173,660.04 × 69,252.40 - Step 4: Simplify right side
125,839.72x = 12,026,374,554.10 - Step 5: Solve for x
x = 12,026,374,554.10/125,839.72 - Step 6: Final answer
x = 95,568.99
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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.