Finding the Fourth Proportional to 132,000.58, 182,161.61 and 71,570.69
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Solution
The fourth proportional to 132,000.58, 182,161.61 and 71,570.69 is: 98,767.99
Step by Step Solution
- Step 1: Write the proportion equation
132,000.58 : 182,161.61 = 71,570.69 : x - Step 2: Convert to fraction form
132,000.58/182,161.61 = 71,570.69/x - Step 3: Cross multiply
132,000.58x = 182,161.61 × 71,570.69 - Step 4: Simplify right side
132,000.58x = 13,037,432,119.21 - Step 5: Solve for x
x = 13,037,432,119.21/132,000.58 - Step 6: Final answer
x = 98,767.99
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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.