Finding the Fourth Proportional to 80,806.45, 121,174.48 and 27,483.99
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Solution
The fourth proportional to 80,806.45, 121,174.48 and 27,483.99 is: 41,214.01
Step by Step Solution
- Step 1: Write the proportion equation
80,806.45 : 121,174.48 = 27,483.99 : x - Step 2: Convert to fraction form
80,806.45/121,174.48 = 27,483.99/x - Step 3: Cross multiply
80,806.45x = 121,174.48 × 27,483.99 - Step 4: Simplify right side
80,806.45x = 3,330,358,196.58 - Step 5: Solve for x
x = 3,330,358,196.58/80,806.45 - Step 6: Final answer
x = 41,214.01
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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.