Finding the Fourth Proportional to 68,110.13, 102,164.17 and 30,643.75
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Solution
The fourth proportional to 68,110.13, 102,164.17 and 30,643.75 is: 45,965.16
Step by Step Solution
- Step 1: Write the proportion equation
68,110.13 : 102,164.17 = 30,643.75 : x - Step 2: Convert to fraction form
68,110.13/102,164.17 = 30,643.75/x - Step 3: Cross multiply
68,110.13x = 102,164.17 × 30,643.75 - Step 4: Simplify right side
68,110.13x = 3,130,693,284.44 - Step 5: Solve for x
x = 3,130,693,284.44/68,110.13 - Step 6: Final answer
x = 45,965.16
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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.