Finding the Fourth Proportional to 99,838.87, 149,782.14 and 32,370.93
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Solution
The fourth proportional to 99,838.87, 149,782.14 and 32,370.93 is: 48,564.12
Step by Step Solution
- Step 1: Write the proportion equation
99,838.87 : 149,782.14 = 32,370.93 : x - Step 2: Convert to fraction form
99,838.87/149,782.14 = 32,370.93/x - Step 3: Cross multiply
99,838.87x = 149,782.14 × 32,370.93 - Step 4: Simplify right side
99,838.87x = 4,848,587,169.19 - Step 5: Solve for x
x = 4,848,587,169.19/99,838.87 - Step 6: Final answer
x = 48,564.12
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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.