Finding the Fourth Proportional to 68,447.71, 102,679.76 and 26,317.99
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Solution
The fourth proportional to 68,447.71, 102,679.76 and 26,317.99 is: 39,480.14
Step by Step Solution
- Step 1: Write the proportion equation
68,447.71 : 102,679.76 = 26,317.99 : x - Step 2: Convert to fraction form
68,447.71/102,679.76 = 26,317.99/x - Step 3: Cross multiply
68,447.71x = 102,679.76 × 26,317.99 - Step 4: Simplify right side
68,447.71x = 2,702,324,896.88 - Step 5: Solve for x
x = 2,702,324,896.88/68,447.71 - Step 6: Final answer
x = 39,480.14
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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.