Finding the Fourth Proportional to 75,711.79, 113,460.58 and 41,992.75
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Solution
The fourth proportional to 75,711.79, 113,460.58 and 41,992.75 is: 62,929.71
Step by Step Solution
- Step 1: Write the proportion equation
75,711.79 : 113,460.58 = 41,992.75 : x - Step 2: Convert to fraction form
75,711.79/113,460.58 = 41,992.75/x - Step 3: Cross multiply
75,711.79x = 113,460.58 × 41,992.75 - Step 4: Simplify right side
75,711.79x = 4,764,520,993.53 - Step 5: Solve for x
x = 4,764,520,993.53/75,711.79 - Step 6: Final answer
x = 62,929.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.