Finding the Fourth Proportional to 94,010.92, 129,661.74 and 58,220.80
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Solution
The fourth proportional to 94,010.92, 129,661.74 and 58,220.80 is: 80,299.29
Step by Step Solution
- Step 1: Write the proportion equation
94,010.92 : 129,661.74 = 58,220.80 : x - Step 2: Convert to fraction form
94,010.92/129,661.74 = 58,220.80/x - Step 3: Cross multiply
94,010.92x = 129,661.74 × 58,220.80 - Step 4: Simplify right side
94,010.92x = 7,549,010,232.19 - Step 5: Solve for x
x = 7,549,010,232.19/94,010.92 - Step 6: Final answer
x = 80,299.29
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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.