Finding the Fourth Proportional to 75,370.92, 104,012.14 and 41,382.88
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Solution
The fourth proportional to 75,370.92, 104,012.14 and 41,382.88 is: 57,108.52
Step by Step Solution
- Step 1: Write the proportion equation
75,370.92 : 104,012.14 = 41,382.88 : x - Step 2: Convert to fraction form
75,370.92/104,012.14 = 41,382.88/x - Step 3: Cross multiply
75,370.92x = 104,012.14 × 41,382.88 - Step 4: Simplify right side
75,370.92x = 4,304,321,908.16 - Step 5: Solve for x
x = 4,304,321,908.16/75,370.92 - Step 6: Final answer
x = 57,108.52
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1.5x scale
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.