Finding the Fourth Proportional to 95,873.72, 132,306.40 and 53,434.99
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Solution
The fourth proportional to 95,873.72, 132,306.40 and 53,434.99 is: 73,740.66
Step by Step Solution
- Step 1: Write the proportion equation
95,873.72 : 132,306.40 = 53,434.99 : x - Step 2: Convert to fraction form
95,873.72/132,306.40 = 53,434.99/x - Step 3: Cross multiply
95,873.72x = 132,306.40 × 53,434.99 - Step 4: Simplify right side
95,873.72x = 7,069,791,160.94 - Step 5: Solve for x
x = 7,069,791,160.94/95,873.72 - Step 6: Final answer
x = 73,740.66
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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.