Finding the Fourth Proportional to 98,184.75, 135,494.97 and 53,472.75
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Solution
The fourth proportional to 98,184.75, 135,494.97 and 53,472.75 is: 73,792.40
Step by Step Solution
- Step 1: Write the proportion equation
98,184.75 : 135,494.97 = 53,472.75 : x - Step 2: Convert to fraction form
98,184.75/135,494.97 = 53,472.75/x - Step 3: Cross multiply
98,184.75x = 135,494.97 × 53,472.75 - Step 4: Simplify right side
98,184.75x = 7,245,288,657.07 - Step 5: Solve for x
x = 7,245,288,657.07/98,184.75 - Step 6: Final answer
x = 73,792.40
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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.