Finding the Fourth Proportional to 78,584.21, 108,442.99 and 44,591.98
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Solution
The fourth proportional to 78,584.21, 108,442.99 and 44,591.98 is: 61,535.11
Step by Step Solution
- Step 1: Write the proportion equation
78,584.21 : 108,442.99 = 44,591.98 : x - Step 2: Convert to fraction form
78,584.21/108,442.99 = 44,591.98/x - Step 3: Cross multiply
78,584.21x = 108,442.99 × 44,591.98 - Step 4: Simplify right side
78,584.21x = 4,835,687,641.22 - Step 5: Solve for x
x = 4,835,687,641.22/78,584.21 - Step 6: Final answer
x = 61,535.11
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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.