Finding the Fourth Proportional to 104,920.74, 157,420.02 and 48,790.98
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Solution
The fourth proportional to 104,920.74, 157,420.02 and 48,790.98 is: 73,204.56
Step by Step Solution
- Step 1: Write the proportion equation
104,920.74 : 157,420.02 = 48,790.98 : x - Step 2: Convert to fraction form
104,920.74/157,420.02 = 48,790.98/x - Step 3: Cross multiply
104,920.74x = 157,420.02 × 48,790.98 - Step 4: Simplify right side
104,920.74x = 7,680,677,047.42 - Step 5: Solve for x
x = 7,680,677,047.42/104,920.74 - Step 6: Final answer
x = 73,204.56
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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.