Finding the Fourth Proportional to 113,975.08, 157,347.70 and 68,664.08
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Solution
The fourth proportional to 113,975.08, 157,347.70 and 68,664.08 is: 94,793.84
Step by Step Solution
- Step 1: Write the proportion equation
113,975.08 : 157,347.70 = 68,664.08 : x - Step 2: Convert to fraction form
113,975.08/157,347.70 = 68,664.08/x - Step 3: Cross multiply
113,975.08x = 157,347.70 × 68,664.08 - Step 4: Simplify right side
113,975.08x = 10,804,135,060.62 - Step 5: Solve for x
x = 10,804,135,060.62/113,975.08 - Step 6: Final answer
x = 94,793.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.