Finding the Fourth Proportional to 99,756.74, 149,550.89 and 46,421.13
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Solution
The fourth proportional to 99,756.74, 149,550.89 and 46,421.13 is: 69,592.50
Step by Step Solution
- Step 1: Write the proportion equation
99,756.74 : 149,550.89 = 46,421.13 : x - Step 2: Convert to fraction form
99,756.74/149,550.89 = 46,421.13/x - Step 3: Cross multiply
99,756.74x = 149,550.89 × 46,421.13 - Step 4: Simplify right side
99,756.74x = 6,942,321,074.20 - Step 5: Solve for x
x = 6,942,321,074.20/99,756.74 - Step 6: Final answer
x = 69,592.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.