Finding the Fourth Proportional to 98,528.49, 135,827.60 and 70,184.97
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Solution
The fourth proportional to 98,528.49, 135,827.60 and 70,184.97 is: 96,754.31
Step by Step Solution
- Step 1: Write the proportion equation
98,528.49 : 135,827.60 = 70,184.97 : x - Step 2: Convert to fraction form
98,528.49/135,827.60 = 70,184.97/x - Step 3: Cross multiply
98,528.49x = 135,827.60 × 70,184.97 - Step 4: Simplify right side
98,528.49x = 9,533,055,680.25 - Step 5: Solve for x
x = 9,533,055,680.25/98,528.49 - Step 6: Final answer
x = 96,754.31
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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.