Finding the Fourth Proportional to 112,637.52, 169,003.26 and 49,424.99
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Solution
The fourth proportional to 112,637.52, 169,003.26 and 49,424.99 is: 74,158.09
Step by Step Solution
- Step 1: Write the proportion equation
112,637.52 : 169,003.26 = 49,424.99 : x - Step 2: Convert to fraction form
112,637.52/169,003.26 = 49,424.99/x - Step 3: Cross multiply
112,637.52x = 169,003.26 × 49,424.99 - Step 4: Simplify right side
112,637.52x = 8,352,983,590.45 - Step 5: Solve for x
x = 8,352,983,590.45/112,637.52 - Step 6: Final answer
x = 74,158.09
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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.