Finding the Fourth Proportional to 75,888.16, 113,838.48 and 19,727.68
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Solution
The fourth proportional to 75,888.16, 113,838.48 and 19,727.68 is: 29,593.14
Step by Step Solution
- Step 1: Write the proportion equation
75,888.16 : 113,838.48 = 19,727.68 : x - Step 2: Convert to fraction form
75,888.16/113,838.48 = 19,727.68/x - Step 3: Cross multiply
75,888.16x = 113,838.48 × 19,727.68 - Step 4: Simplify right side
75,888.16x = 2,245,769,105.13 - Step 5: Solve for x
x = 2,245,769,105.13/75,888.16 - Step 6: Final answer
x = 29,593.14
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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.