Finding the Fourth Proportional to 98,241.63, 135,573.45 and 53,529.63
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Solution
The fourth proportional to 98,241.63, 135,573.45 and 53,529.63 is: 73,870.89
Step by Step Solution
- Step 1: Write the proportion equation
98,241.63 : 135,573.45 = 53,529.63 : x - Step 2: Convert to fraction form
98,241.63/135,573.45 = 53,529.63/x - Step 3: Cross multiply
98,241.63x = 135,573.45 × 53,529.63 - Step 4: Simplify right side
98,241.63x = 7,257,196,616.32 - Step 5: Solve for x
x = 7,257,196,616.32/98,241.63 - Step 6: Final answer
x = 73,870.89
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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.