Finding the Fourth Proportional to 73,695.99, 101,700.56 and 40,161.99
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Solution
The fourth proportional to 73,695.99, 101,700.56 and 40,161.99 is: 55,423.59
Step by Step Solution
- Step 1: Write the proportion equation
73,695.99 : 101,700.56 = 40,161.99 : x - Step 2: Convert to fraction form
73,695.99/101,700.56 = 40,161.99/x - Step 3: Cross multiply
73,695.99x = 101,700.56 × 40,161.99 - Step 4: Simplify right side
73,695.99x = 4,084,496,672.90 - Step 5: Solve for x
x = 4,084,496,672.90/73,695.99 - Step 6: Final answer
x = 55,423.59
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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.