Finding the Fourth Proportional to 75,135.24, 103,680.18 and 41,592.84
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Solution
The fourth proportional to 75,135.24, 103,680.18 and 41,592.84 is: 57,394.55
Step by Step Solution
- Step 1: Write the proportion equation
75,135.24 : 103,680.18 = 41,592.84 : x - Step 2: Convert to fraction form
75,135.24/103,680.18 = 41,592.84/x - Step 3: Cross multiply
75,135.24x = 103,680.18 × 41,592.84 - Step 4: Simplify right side
75,135.24x = 4,312,353,137.91 - Step 5: Solve for x
x = 4,312,353,137.91/75,135.24 - Step 6: Final answer
x = 57,394.55
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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.