Finding the Fourth Proportional to 73,701.99, 101,711.57 and 40,167.99
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Solution
The fourth proportional to 73,701.99, 101,711.57 and 40,167.99 is: 55,433.36
Step by Step Solution
- Step 1: Write the proportion equation
73,701.99 : 101,711.57 = 40,167.99 : x - Step 2: Convert to fraction form
73,701.99/101,711.57 = 40,167.99/x - Step 3: Cross multiply
73,701.99x = 101,711.57 × 40,167.99 - Step 4: Simplify right side
73,701.99x = 4,085,549,125.80 - Step 5: Solve for x
x = 4,085,549,125.80/73,701.99 - Step 6: Final answer
x = 55,433.36
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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.