Finding the Fourth Proportional to 99,062.76, 148,592.44 and 39,896.92
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Solution
The fourth proportional to 99,062.76, 148,592.44 and 39,896.92 is: 59,844.70
Step by Step Solution
- Step 1: Write the proportion equation
99,062.76 : 148,592.44 = 39,896.92 : x - Step 2: Convert to fraction form
99,062.76/148,592.44 = 39,896.92/x - Step 3: Cross multiply
99,062.76x = 148,592.44 × 39,896.92 - Step 4: Simplify right side
99,062.76x = 5,928,380,691.28 - Step 5: Solve for x
x = 5,928,380,691.28/99,062.76 - Step 6: Final answer
x = 59,844.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.