Finding the Fourth Proportional to 112,773.09, 155,626.87 and 67,452.99
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Solution
The fourth proportional to 112,773.09, 155,626.87 and 67,452.99 is: 93,085.12
Step by Step Solution
- Step 1: Write the proportion equation
112,773.09 : 155,626.87 = 67,452.99 : x - Step 2: Convert to fraction form
112,773.09/155,626.87 = 67,452.99/x - Step 3: Cross multiply
112,773.09x = 155,626.87 × 67,452.99 - Step 4: Simplify right side
112,773.09x = 10,497,497,080.08 - Step 5: Solve for x
x = 10,497,497,080.08/112,773.09 - Step 6: Final answer
x = 93,085.12
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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.