Finding the Fourth Proportional to 79,917.18, 119,854.95 and 23,744.08
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Solution
The fourth proportional to 79,917.18, 119,854.95 and 23,744.08 is: 35,609.93
Step by Step Solution
- Step 1: Write the proportion equation
79,917.18 : 119,854.95 = 23,744.08 : x - Step 2: Convert to fraction form
79,917.18/119,854.95 = 23,744.08/x - Step 3: Cross multiply
79,917.18x = 119,854.95 × 23,744.08 - Step 4: Simplify right side
79,917.18x = 2,845,845,521.20 - Step 5: Solve for x
x = 2,845,845,521.20/79,917.18 - Step 6: Final answer
x = 35,609.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.