Finding the Fourth Proportional to 69,863.36, 104,795.12 and 17,272.08
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Solution
The fourth proportional to 69,863.36, 104,795.12 and 17,272.08 is: 25,908.14
Step by Step Solution
- Step 1: Write the proportion equation
69,863.36 : 104,795.12 = 17,272.08 : x - Step 2: Convert to fraction form
69,863.36/104,795.12 = 17,272.08/x - Step 3: Cross multiply
69,863.36x = 104,795.12 × 17,272.08 - Step 4: Simplify right side
69,863.36x = 1,810,029,696.25 - Step 5: Solve for x
x = 1,810,029,696.25/69,863.36 - Step 6: Final answer
x = 25,908.14
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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.