Finding the Fourth Proportional to 104,795.75, 144,638.07 and 59,477.99
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Solution
The fourth proportional to 104,795.75, 144,638.07 and 59,477.99 is: 82,090.93
Step by Step Solution
- Step 1: Write the proportion equation
104,795.75 : 144,638.07 = 59,477.99 : x - Step 2: Convert to fraction form
104,795.75/144,638.07 = 59,477.99/x - Step 3: Cross multiply
104,795.75x = 144,638.07 × 59,477.99 - Step 4: Simplify right side
104,795.75x = 8,602,780,957.89 - Step 5: Solve for x
x = 8,602,780,957.89/104,795.75 - Step 6: Final answer
x = 82,090.93
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1.5x scale
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.