Finding the Fourth Proportional to 80,117.03, 120,177.99 and 27,525.75
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Solution
The fourth proportional to 80,117.03, 120,177.99 and 27,525.75 is: 41,289.47
Step by Step Solution
- Step 1: Write the proportion equation
80,117.03 : 120,177.99 = 27,525.75 : x - Step 2: Convert to fraction form
80,117.03/120,177.99 = 27,525.75/x - Step 3: Cross multiply
80,117.03x = 120,177.99 × 27,525.75 - Step 4: Simplify right side
80,117.03x = 3,307,989,308.24 - Step 5: Solve for x
x = 3,307,989,308.24/80,117.03 - Step 6: Final answer
x = 41,289.47
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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.