Finding the Fourth Proportional to 97,964.46, 135,192.44 and 54,953.49
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Solution
The fourth proportional to 97,964.46, 135,192.44 and 54,953.49 is: 75,836.64
Step by Step Solution
- Step 1: Write the proportion equation
97,964.46 : 135,192.44 = 54,953.49 : x - Step 2: Convert to fraction form
97,964.46/135,192.44 = 54,953.49/x - Step 3: Cross multiply
97,964.46x = 135,192.44 × 54,953.49 - Step 4: Simplify right side
97,964.46x = 7,429,295,755.26 - Step 5: Solve for x
x = 7,429,295,755.26/97,964.46 - Step 6: Final answer
x = 75,836.64
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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.