Finding the Fourth Proportional to 98,425.44, 135,827.28 and 53,713.44
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Solution
The fourth proportional to 98,425.44, 135,827.28 and 53,713.44 is: 74,124.64
Step by Step Solution
- Step 1: Write the proportion equation
98,425.44 : 135,827.28 = 53,713.44 : x - Step 2: Convert to fraction form
98,425.44/135,827.28 = 53,713.44/x - Step 3: Cross multiply
98,425.44x = 135,827.28 × 53,713.44 - Step 4: Simplify right side
98,425.44x = 7,295,750,454.64 - Step 5: Solve for x
x = 7,295,750,454.64/98,425.44 - Step 6: Final answer
x = 74,124.64
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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.