Finding the Fourth Proportional to 75,560.99, 103,611.06 and 73,592.69
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Solution
The fourth proportional to 75,560.99, 103,611.06 and 73,592.69 is: 100,912.08
Step by Step Solution
- Step 1: Write the proportion equation
75,560.99 : 103,611.06 = 73,592.69 : x - Step 2: Convert to fraction form
75,560.99/103,611.06 = 73,592.69/x - Step 3: Cross multiply
75,560.99x = 103,611.06 × 73,592.69 - Step 4: Simplify right side
75,560.99x = 7,625,016,101.10 - Step 5: Solve for x
x = 7,625,016,101.10/75,560.99 - Step 6: Final answer
x = 100,912.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.