Finding the Fourth Proportional to 75,099.84, 103,638.05 and 41,565.84
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Solution
The fourth proportional to 75,099.84, 103,638.05 and 41,565.84 is: 57,361.01
Step by Step Solution
- Step 1: Write the proportion equation
75,099.84 : 103,638.05 = 41,565.84 : x - Step 2: Convert to fraction form
75,099.84/103,638.05 = 41,565.84/x - Step 3: Cross multiply
75,099.84x = 103,638.05 × 41,565.84 - Step 4: Simplify right side
75,099.84x = 4,307,802,604.21 - Step 5: Solve for x
x = 4,307,802,604.21/75,099.84 - Step 6: Final answer
x = 57,361.01
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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.