Finding the Fourth Proportional to 75,487.28, 104,129.36 and 46,793.84
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Solution
The fourth proportional to 75,487.28, 104,129.36 and 46,793.84 is: 64,548.79
Step by Step Solution
- Step 1: Write the proportion equation
75,487.28 : 104,129.36 = 46,793.84 : x - Step 2: Convert to fraction form
75,487.28/104,129.36 = 46,793.84/x - Step 3: Cross multiply
75,487.28x = 104,129.36 × 46,793.84 - Step 4: Simplify right side
75,487.28x = 4,872,612,611.14 - Step 5: Solve for x
x = 4,872,612,611.14/75,487.28 - Step 6: Final answer
x = 64,548.79
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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.