Finding the Fourth Proportional to 95,709.80, 132,126.18 and 59,919.68
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Solution
The fourth proportional to 95,709.80, 132,126.18 and 59,919.68 is: 82,718.37
Step by Step Solution
- Step 1: Write the proportion equation
95,709.80 : 132,126.18 = 59,919.68 : x - Step 2: Convert to fraction form
95,709.80/132,126.18 = 59,919.68/x - Step 3: Cross multiply
95,709.80x = 132,126.18 × 59,919.68 - Step 4: Simplify right side
95,709.80x = 7,916,958,425.22 - Step 5: Solve for x
x = 7,916,958,425.22/95,709.80 - Step 6: Final answer
x = 82,718.37
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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.