Finding the Fourth Proportional to 102,834.53, 141,910.67 and 57,511.99
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Solution
The fourth proportional to 102,834.53, 141,910.67 and 57,511.99 is: 79,366.00
Step by Step Solution
- Step 1: Write the proportion equation
102,834.53 : 141,910.67 = 57,511.99 : x - Step 2: Convert to fraction form
102,834.53/141,910.67 = 57,511.99/x - Step 3: Cross multiply
102,834.53x = 141,910.67 × 57,511.99 - Step 4: Simplify right side
102,834.53x = 8,161,565,033.93 - Step 5: Solve for x
x = 8,161,565,033.93/102,834.53 - Step 6: Final answer
x = 79,366.00
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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.