Finding the Fourth Proportional to 68,519.08, 102,716.28 and 26,372.28
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Solution
The fourth proportional to 68,519.08, 102,716.28 and 26,372.28 is: 39,534.43
Step by Step Solution
- Step 1: Write the proportion equation
68,519.08 : 102,716.28 = 26,372.28 : x - Step 2: Convert to fraction form
68,519.08/102,716.28 = 26,372.28/x - Step 3: Cross multiply
68,519.08x = 102,716.28 × 26,372.28 - Step 4: Simplify right side
68,519.08x = 2,708,862,496.72 - Step 5: Solve for x
x = 2,708,862,496.72/68,519.08 - Step 6: Final answer
x = 39,534.43
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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.