Finding the Fourth Proportional to 92,314.98, 138,497.40 and 29,137.68
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Solution
The fourth proportional to 92,314.98, 138,497.40 and 29,137.68 is: 43,714.39
Step by Step Solution
- Step 1: Write the proportion equation
92,314.98 : 138,497.40 = 29,137.68 : x - Step 2: Convert to fraction form
92,314.98/138,497.40 = 29,137.68/x - Step 3: Cross multiply
92,314.98x = 138,497.40 × 29,137.68 - Step 4: Simplify right side
92,314.98x = 4,035,492,922.03 - Step 5: Solve for x
x = 4,035,492,922.03/92,314.98 - Step 6: Final answer
x = 43,714.39
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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.