Finding the Fourth Proportional to 69,786.49, 104,547.64 and 41,238.09
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Solution
The fourth proportional to 69,786.49, 104,547.64 and 41,238.09 is: 61,779.07
Step by Step Solution
- Step 1: Write the proportion equation
69,786.49 : 104,547.64 = 41,238.09 : x - Step 2: Convert to fraction form
69,786.49/104,547.64 = 41,238.09/x - Step 3: Cross multiply
69,786.49x = 104,547.64 × 41,238.09 - Step 4: Simplify right side
69,786.49x = 4,311,344,551.81 - Step 5: Solve for x
x = 4,311,344,551.81/69,786.49 - Step 6: Final answer
x = 61,779.07
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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.