Finding the Fourth Proportional to 75,099.60, 103,633.20 and 41,101.68
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Solution
The fourth proportional to 75,099.60, 103,633.20 and 41,101.68 is: 56,717.99
Step by Step Solution
- Step 1: Write the proportion equation
75,099.60 : 103,633.20 = 41,101.68 : x - Step 2: Convert to fraction form
75,099.60/103,633.20 = 41,101.68/x - Step 3: Cross multiply
75,099.60x = 103,633.20 × 41,101.68 - Step 4: Simplify right side
75,099.60x = 4,259,498,623.78 - Step 5: Solve for x
x = 4,259,498,623.78/75,099.60 - Step 6: Final answer
x = 56,717.99
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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.