Finding the Fourth Proportional to 92,497.84, 138,731.11 and 25,922.65
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Solution
The fourth proportional to 92,497.84, 138,731.11 and 25,922.65 is: 38,879.59
Step by Step Solution
- Step 1: Write the proportion equation
92,497.84 : 138,731.11 = 25,922.65 : x - Step 2: Convert to fraction form
92,497.84/138,731.11 = 25,922.65/x - Step 3: Cross multiply
92,497.84x = 138,731.11 × 25,922.65 - Step 4: Simplify right side
92,497.84x = 3,596,278,008.64 - Step 5: Solve for x
x = 3,596,278,008.64/92,497.84 - Step 6: Final answer
x = 38,879.59
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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.