Finding the Fourth Proportional to 75,963.27, 104,828.69 and 41,971.65
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Solution
The fourth proportional to 75,963.27, 104,828.69 and 41,971.65 is: 57,920.53
Step by Step Solution
- Step 1: Write the proportion equation
75,963.27 : 104,828.69 = 41,971.65 : x - Step 2: Convert to fraction form
75,963.27/104,828.69 = 41,971.65/x - Step 3: Cross multiply
75,963.27x = 104,828.69 × 41,971.65 - Step 4: Simplify right side
75,963.27x = 4,399,832,876.78 - Step 5: Solve for x
x = 4,399,832,876.78/75,963.27 - Step 6: Final answer
x = 57,920.53
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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.