Finding the Fourth Proportional to 68,085.29, 102,130.68 and 23,716.53
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Solution
The fourth proportional to 68,085.29, 102,130.68 and 23,716.53 is: 35,575.75
Step by Step Solution
- Step 1: Write the proportion equation
68,085.29 : 102,130.68 = 23,716.53 : x - Step 2: Convert to fraction form
68,085.29/102,130.68 = 23,716.53/x - Step 3: Cross multiply
68,085.29x = 102,130.68 × 23,716.53 - Step 4: Simplify right side
68,085.29x = 2,422,185,336.14 - Step 5: Solve for x
x = 2,422,185,336.14/68,085.29 - Step 6: Final answer
x = 35,575.75
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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.