Finding the Fourth Proportional to 126,832.30, 175,026.47 and 69,471.09
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Solution
The fourth proportional to 126,832.30, 175,026.47 and 69,471.09 is: 95,868.95
Step by Step Solution
- Step 1: Write the proportion equation
126,832.30 : 175,026.47 = 69,471.09 : x - Step 2: Convert to fraction form
126,832.30/175,026.47 = 69,471.09/x - Step 3: Cross multiply
126,832.30x = 175,026.47 × 69,471.09 - Step 4: Simplify right side
126,832.30x = 12,159,278,948.30 - Step 5: Solve for x
x = 12,159,278,948.30/126,832.30 - Step 6: Final answer
x = 95,868.95
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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.