Finding the Fourth Proportional to 75,817.86, 113,825.34 and 58,299.99
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Solution
The fourth proportional to 75,817.86, 113,825.34 and 58,299.99 is: 87,525.76
Step by Step Solution
- Step 1: Write the proportion equation
75,817.86 : 113,825.34 = 58,299.99 : x - Step 2: Convert to fraction form
75,817.86/113,825.34 = 58,299.99/x - Step 3: Cross multiply
75,817.86x = 113,825.34 × 58,299.99 - Step 4: Simplify right side
75,817.86x = 6,636,016,183.75 - Step 5: Solve for x
x = 6,636,016,183.75/75,817.86 - Step 6: Final answer
x = 87,525.76
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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.