Finding the Fourth Proportional to 89,027.24, 122,859.14 and 55,034.88
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Solution
The fourth proportional to 89,027.24, 122,859.14 and 55,034.88 is: 75,949.09
Step by Step Solution
- Step 1: Write the proportion equation
89,027.24 : 122,859.14 = 55,034.88 : x - Step 2: Convert to fraction form
89,027.24/122,859.14 = 55,034.88/x - Step 3: Cross multiply
89,027.24x = 122,859.14 × 55,034.88 - Step 4: Simplify right side
89,027.24x = 6,761,538,026.80 - Step 5: Solve for x
x = 6,761,538,026.80/89,027.24 - Step 6: Final answer
x = 75,949.09
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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.