Finding the Fourth Proportional to 84,024.39, 126,058.14 and 27,880.23
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Solution
The fourth proportional to 84,024.39, 126,058.14 and 27,880.23 is: 41,827.50
Step by Step Solution
- Step 1: Write the proportion equation
84,024.39 : 126,058.14 = 27,880.23 : x - Step 2: Convert to fraction form
84,024.39/126,058.14 = 27,880.23/x - Step 3: Cross multiply
84,024.39x = 126,058.14 × 27,880.23 - Step 4: Simplify right side
84,024.39x = 3,514,529,936.57 - Step 5: Solve for x
x = 3,514,529,936.57/84,024.39 - Step 6: Final answer
x = 41,827.50
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1.5x scale
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.