Finding the Fourth Proportional to 73,179.73, 100,907.85 and 47,638.99
Calculator
Solution
The fourth proportional to 73,179.73, 100,907.85 and 47,638.99 is: 65,689.61
Step by Step Solution
- Step 1: Write the proportion equation
73,179.73 : 100,907.85 = 47,638.99 : x - Step 2: Convert to fraction form
73,179.73/100,907.85 = 47,638.99/x - Step 3: Cross multiply
73,179.73x = 100,907.85 × 47,638.99 - Step 4: Simplify right side
73,179.73x = 4,807,148,057.07 - Step 5: Solve for x
x = 4,807,148,057.07/73,179.73 - Step 6: Final answer
x = 65,689.61
Related Problems
Find fourth proportional to 36,589.87, 50,453.93 and 23,819.50
Half scale
Find fourth proportional to 146,359.46, 201,815.70 and 95,277.98
Double scale
Find fourth proportional to 73,180.73, 100,909.23 and 47,639.99
Similar ratio
Find fourth proportional to 109,769.60, 151,361.78 and 71,458.49
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.