Finding the Fourth Proportional to 78,597.32, 108,479.25 and 44,608.99
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Solution
The fourth proportional to 78,597.32, 108,479.25 and 44,608.99 is: 61,568.89
Step by Step Solution
- Step 1: Write the proportion equation
78,597.32 : 108,479.25 = 44,608.99 : x - Step 2: Convert to fraction form
78,597.32/108,479.25 = 44,608.99/x - Step 3: Cross multiply
78,597.32x = 108,479.25 × 44,608.99 - Step 4: Simplify right side
78,597.32x = 4,839,149,555.41 - Step 5: Solve for x
x = 4,839,149,555.41/78,597.32 - Step 6: Final answer
x = 61,568.89
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1.5x scale
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.