Finding the Fourth Proportional to 79,973.65, 110,362.93 and 44,163.96
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Solution
The fourth proportional to 79,973.65, 110,362.93 and 44,163.96 is: 60,945.87
Step by Step Solution
- Step 1: Write the proportion equation
79,973.65 : 110,362.93 = 44,163.96 : x - Step 2: Convert to fraction form
79,973.65/110,362.93 = 44,163.96/x - Step 3: Cross multiply
79,973.65x = 110,362.93 × 44,163.96 - Step 4: Simplify right side
79,973.65x = 4,874,064,026.00 - Step 5: Solve for x
x = 4,874,064,026.00/79,973.65 - Step 6: Final answer
x = 60,945.87
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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.