Finding the Fourth Proportional to 112,959.08, 169,435.74 and 29,853.80
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Solution
The fourth proportional to 112,959.08, 169,435.74 and 29,853.80 is: 44,779.94
Step by Step Solution
- Step 1: Write the proportion equation
112,959.08 : 169,435.74 = 29,853.80 : x - Step 2: Convert to fraction form
112,959.08/169,435.74 = 29,853.80/x - Step 3: Cross multiply
112,959.08x = 169,435.74 × 29,853.80 - Step 4: Simplify right side
112,959.08x = 5,058,300,694.81 - Step 5: Solve for x
x = 5,058,300,694.81/112,959.08 - Step 6: Final answer
x = 44,779.94
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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.