Finding the Fourth Proportional to 107,057.04, 147,655.53 and 73,092.84
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Solution
The fourth proportional to 107,057.04, 147,655.53 and 73,092.84 is: 100,811.32
Step by Step Solution
- Step 1: Write the proportion equation
107,057.04 : 147,655.53 = 73,092.84 : x - Step 2: Convert to fraction form
107,057.04/147,655.53 = 73,092.84/x - Step 3: Cross multiply
107,057.04x = 147,655.53 × 73,092.84 - Step 4: Simplify right side
107,057.04x = 10,792,562,029.41 - Step 5: Solve for x
x = 10,792,562,029.41/107,057.04 - Step 6: Final answer
x = 100,811.32
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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.