Finding the Fourth Proportional to 73,480.26, 101,402.80 and 39,946.26
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Solution
The fourth proportional to 73,480.26, 101,402.80 and 39,946.26 is: 55,125.86
Step by Step Solution
- Step 1: Write the proportion equation
73,480.26 : 101,402.80 = 39,946.26 : x - Step 2: Convert to fraction form
73,480.26/101,402.80 = 39,946.26/x - Step 3: Cross multiply
73,480.26x = 101,402.80 × 39,946.26 - Step 4: Simplify right side
73,480.26x = 4,050,662,613.53 - Step 5: Solve for x
x = 4,050,662,613.53/73,480.26 - Step 6: Final answer
x = 55,125.86
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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.