Finding the Fourth Proportional to 78,525.09, 108,369.63 and 44,533.44
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Solution
The fourth proportional to 78,525.09, 108,369.63 and 44,533.44 is: 61,458.99
Step by Step Solution
- Step 1: Write the proportion equation
78,525.09 : 108,369.63 = 44,533.44 : x - Step 2: Convert to fraction form
78,525.09/108,369.63 = 44,533.44/x - Step 3: Cross multiply
78,525.09x = 108,369.63 × 44,533.44 - Step 4: Simplify right side
78,525.09x = 4,826,072,415.43 - Step 5: Solve for x
x = 4,826,072,415.43/78,525.09 - Step 6: Final answer
x = 61,458.99
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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.