Finding the Fourth Proportional to 113,731.68, 170,560.56 and 37,809.84
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Solution
The fourth proportional to 113,731.68, 170,560.56 and 37,809.84 is: 56,702.47
Step by Step Solution
- Step 1: Write the proportion equation
113,731.68 : 170,560.56 = 37,809.84 : x - Step 2: Convert to fraction form
113,731.68/170,560.56 = 37,809.84/x - Step 3: Cross multiply
113,731.68x = 170,560.56 × 37,809.84 - Step 4: Simplify right side
113,731.68x = 6,448,867,483.91 - Step 5: Solve for x
x = 6,448,867,483.91/113,731.68 - Step 6: Final answer
x = 56,702.47
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1.5x scale
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.