Finding the Fourth Proportional to 112,959.53, 169,335.44 and 48,877.66
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Solution
The fourth proportional to 112,959.53, 169,335.44 and 48,877.66 is: 73,271.55
Step by Step Solution
- Step 1: Write the proportion equation
112,959.53 : 169,335.44 = 48,877.66 : x - Step 2: Convert to fraction form
112,959.53/169,335.44 = 48,877.66/x - Step 3: Cross multiply
112,959.53x = 169,335.44 × 48,877.66 - Step 4: Simplify right side
112,959.53x = 8,276,720,396.13 - Step 5: Solve for x
x = 8,276,720,396.13/112,959.53 - Step 6: Final answer
x = 73,271.55
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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.