Finding the Fourth Proportional to 97,286.80, 134,245.94 and 71,807.08
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Solution
The fourth proportional to 97,286.80, 134,245.94 and 71,807.08 is: 99,086.50
Step by Step Solution
- Step 1: Write the proportion equation
97,286.80 : 134,245.94 = 71,807.08 : x - Step 2: Convert to fraction form
97,286.80/134,245.94 = 71,807.08/x - Step 3: Cross multiply
97,286.80x = 134,245.94 × 71,807.08 - Step 4: Simplify right side
97,286.80x = 9,639,808,953.26 - Step 5: Solve for x
x = 9,639,808,953.26/97,286.80 - Step 6: Final answer
x = 99,086.50
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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.