Finding the Fourth Proportional to 71,365.37, 106,975.16 and 46,455.44
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Solution
The fourth proportional to 71,365.37, 106,975.16 and 46,455.44 is: 69,635.71
Step by Step Solution
- Step 1: Write the proportion equation
71,365.37 : 106,975.16 = 46,455.44 : x - Step 2: Convert to fraction form
71,365.37/106,975.16 = 46,455.44/x - Step 3: Cross multiply
71,365.37x = 106,975.16 × 46,455.44 - Step 4: Simplify right side
71,365.37x = 4,969,577,894.59 - Step 5: Solve for x
x = 4,969,577,894.59/71,365.37 - Step 6: Final answer
x = 69,635.71
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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.