Finding the Fourth Proportional to 84,085.26, 126,127.65 and 27,929.70
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Solution
The fourth proportional to 84,085.26, 126,127.65 and 27,929.70 is: 41,894.47
Step by Step Solution
- Step 1: Write the proportion equation
84,085.26 : 126,127.65 = 27,929.70 : x - Step 2: Convert to fraction form
84,085.26/126,127.65 = 27,929.70/x - Step 3: Cross multiply
84,085.26x = 126,127.65 × 27,929.70 - Step 4: Simplify right side
84,085.26x = 3,522,707,426.21 - Step 5: Solve for x
x = 3,522,707,426.21/84,085.26 - Step 6: Final answer
x = 41,894.47
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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.