Finding the Fourth Proportional to 98,571.97, 136,032.12 and 54,965.52
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Solution
The fourth proportional to 98,571.97, 136,032.12 and 54,965.52 is: 75,853.99
Step by Step Solution
- Step 1: Write the proportion equation
98,571.97 : 136,032.12 = 54,965.52 : x - Step 2: Convert to fraction form
98,571.97/136,032.12 = 54,965.52/x - Step 3: Cross multiply
98,571.97x = 136,032.12 × 54,965.52 - Step 4: Simplify right side
98,571.97x = 7,477,076,733.25 - Step 5: Solve for x
x = 7,477,076,733.25/98,571.97 - Step 6: Final answer
x = 75,853.99
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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.