Finding the Fourth Proportional to 75,963.06, 113,920.20 and 25,348.68
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Solution
The fourth proportional to 75,963.06, 113,920.20 and 25,348.68 is: 38,014.88
Step by Step Solution
- Step 1: Write the proportion equation
75,963.06 : 113,920.20 = 25,348.68 : x - Step 2: Convert to fraction form
75,963.06/113,920.20 = 25,348.68/x - Step 3: Cross multiply
75,963.06x = 113,920.20 × 25,348.68 - Step 4: Simplify right side
75,963.06x = 2,887,726,695.34 - Step 5: Solve for x
x = 2,887,726,695.34/75,963.06 - Step 6: Final answer
x = 38,014.88
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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.