Finding the Fourth Proportional to 92,367.26, 138,593.95 and 90,874.63
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Solution
The fourth proportional to 92,367.26, 138,593.95 and 90,874.63 is: 136,354.31
Step by Step Solution
- Step 1: Write the proportion equation
92,367.26 : 138,593.95 = 90,874.63 : x - Step 2: Convert to fraction form
92,367.26/138,593.95 = 90,874.63/x - Step 3: Cross multiply
92,367.26x = 138,593.95 × 90,874.63 - Step 4: Simplify right side
92,367.26x = 12,594,673,926.49 - Step 5: Solve for x
x = 12,594,673,926.49/92,367.26 - Step 6: Final answer
x = 136,354.31
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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.