Finding the Fourth Proportional to 98,079.44, 135,348.36 and 53,367.44
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Solution
The fourth proportional to 98,079.44, 135,348.36 and 53,367.44 is: 73,646.38
Step by Step Solution
- Step 1: Write the proportion equation
98,079.44 : 135,348.36 = 53,367.44 : x - Step 2: Convert to fraction form
98,079.44/135,348.36 = 53,367.44/x - Step 3: Cross multiply
98,079.44x = 135,348.36 × 53,367.44 - Step 4: Simplify right side
98,079.44x = 7,223,195,481.40 - Step 5: Solve for x
x = 7,223,195,481.40/98,079.44 - Step 6: Final answer
x = 73,646.38
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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.