Finding the Fourth Proportional to 96,152.05, 132,687.88 and 58,438.45
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Solution
The fourth proportional to 96,152.05, 132,687.88 and 58,438.45 is: 80,643.88
Step by Step Solution
- Step 1: Write the proportion equation
96,152.05 : 132,687.88 = 58,438.45 : x - Step 2: Convert to fraction form
96,152.05/132,687.88 = 58,438.45/x - Step 3: Cross multiply
96,152.05x = 132,687.88 × 58,438.45 - Step 4: Simplify right side
96,152.05x = 7,754,074,040.99 - Step 5: Solve for x
x = 7,754,074,040.99/96,152.05 - Step 6: Final answer
x = 80,643.88
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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.