Finding the Fourth Proportional to 75,451.32, 104,122.79 and 41,461.99
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Solution
The fourth proportional to 75,451.32, 104,122.79 and 41,461.99 is: 57,217.53
Step by Step Solution
- Step 1: Write the proportion equation
75,451.32 : 104,122.79 = 41,461.99 : x - Step 2: Convert to fraction form
75,451.32/104,122.79 = 41,461.99/x - Step 3: Cross multiply
75,451.32x = 104,122.79 × 41,461.99 - Step 4: Simplify right side
75,451.32x = 4,317,137,870.44 - Step 5: Solve for x
x = 4,317,137,870.44/75,451.32 - Step 6: Final answer
x = 57,217.53
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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.