Finding the Fourth Proportional to 112,557.48, 168,795.04 and 49,334.08
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Solution
The fourth proportional to 112,557.48, 168,795.04 and 49,334.08 is: 73,983.07
Step by Step Solution
- Step 1: Write the proportion equation
112,557.48 : 168,795.04 = 49,334.08 : x - Step 2: Convert to fraction form
112,557.48/168,795.04 = 49,334.08/x - Step 3: Cross multiply
112,557.48x = 168,795.04 × 49,334.08 - Step 4: Simplify right side
112,557.48x = 8,327,348,006.96 - Step 5: Solve for x
x = 8,327,348,006.96/112,557.48 - Step 6: Final answer
x = 73,983.07
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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.