Finding the Fourth Proportional to 88,922.57, 122,717.08 and 51,208.97
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Solution
The fourth proportional to 88,922.57, 122,717.08 and 51,208.97 is: 70,670.65
Step by Step Solution
- Step 1: Write the proportion equation
88,922.57 : 122,717.08 = 51,208.97 : x - Step 2: Convert to fraction form
88,922.57/122,717.08 = 51,208.97/x - Step 3: Cross multiply
88,922.57x = 122,717.08 × 51,208.97 - Step 4: Simplify right side
88,922.57x = 6,284,215,639.01 - Step 5: Solve for x
x = 6,284,215,639.01/88,922.57 - Step 6: Final answer
x = 70,670.65
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1.5x scale
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.