Finding the Fourth Proportional to 75,124.11, 103,671.29 and 41,134.75
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Solution
The fourth proportional to 75,124.11, 103,671.29 and 41,134.75 is: 56,765.96
Step by Step Solution
- Step 1: Write the proportion equation
75,124.11 : 103,671.29 = 41,134.75 : x - Step 2: Convert to fraction form
75,124.11/103,671.29 = 41,134.75/x - Step 3: Cross multiply
75,124.11x = 103,671.29 × 41,134.75 - Step 4: Simplify right side
75,124.11x = 4,264,492,596.33 - Step 5: Solve for x
x = 4,264,492,596.33/75,124.11 - Step 6: Final answer
x = 56,765.96
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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.