Finding the Fourth Proportional to 104,243.13, 143,855.49 and 56,496.49
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Solution
The fourth proportional to 104,243.13, 143,855.49 and 56,496.49 is: 77,965.14
Step by Step Solution
- Step 1: Write the proportion equation
104,243.13 : 143,855.49 = 56,496.49 : x - Step 2: Convert to fraction form
104,243.13/143,855.49 = 56,496.49/x - Step 3: Cross multiply
104,243.13x = 143,855.49 × 56,496.49 - Step 4: Simplify right side
104,243.13x = 8,127,330,252.23 - Step 5: Solve for x
x = 8,127,330,252.23/104,243.13 - Step 6: Final answer
x = 77,965.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.