Finding the Fourth Proportional to 75,219.50, 112,836.74 and 27,847.26
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Solution
The fourth proportional to 75,219.50, 112,836.74 and 27,847.26 is: 41,773.66
Step by Step Solution
- Step 1: Write the proportion equation
75,219.50 : 112,836.74 = 27,847.26 : x - Step 2: Convert to fraction form
75,219.50/112,836.74 = 27,847.26/x - Step 3: Cross multiply
75,219.50x = 112,836.74 × 27,847.26 - Step 4: Simplify right side
75,219.50x = 3,142,193,897.10 - Step 5: Solve for x
x = 3,142,193,897.10/75,219.50 - Step 6: Final answer
x = 41,773.66
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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.