Finding the Fourth Proportional to 78,620.99, 108,469.99 and 44,626.91
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Solution
The fourth proportional to 78,620.99, 108,469.99 and 44,626.91 is: 61,569.82
Step by Step Solution
- Step 1: Write the proportion equation
78,620.99 : 108,469.99 = 44,626.91 : x - Step 2: Convert to fraction form
78,620.99/108,469.99 = 44,626.91/x - Step 3: Cross multiply
78,620.99x = 108,469.99 × 44,626.91 - Step 4: Simplify right side
78,620.99x = 4,840,680,641.04 - Step 5: Solve for x
x = 4,840,680,641.04/78,620.99 - Step 6: Final answer
x = 61,569.82
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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.