Finding the Fourth Proportional to 91,838.08, 137,738.86 and 25,261
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Solution
The fourth proportional to 91,838.08, 137,738.86 and 25,261 is: 37,886.48
Step by Step Solution
- Step 1: Write the proportion equation
91,838.08 : 137,738.86 = 25,261 : x - Step 2: Convert to fraction form
91,838.08/137,738.86 = 25,261/x - Step 3: Cross multiply
91,838.08x = 137,738.86 × 25,261 - Step 4: Simplify right side
91,838.08x = 3,479,421,342.46 - Step 5: Solve for x
x = 3,479,421,342.46/91,838.08 - Step 6: Final answer
x = 37,886.48
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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.