Finding the Fourth Proportional to 79,299.60, 118,949.58 and 26,745.99
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Solution
The fourth proportional to 79,299.60, 118,949.58 and 26,745.99 is: 40,119.05
Step by Step Solution
- Step 1: Write the proportion equation
79,299.60 : 118,949.58 = 26,745.99 : x - Step 2: Convert to fraction form
79,299.60/118,949.58 = 26,745.99/x - Step 3: Cross multiply
79,299.60x = 118,949.58 × 26,745.99 - Step 4: Simplify right side
79,299.60x = 3,181,424,277.18 - Step 5: Solve for x
x = 3,181,424,277.18/79,299.60 - Step 6: Final answer
x = 40,119.05
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1.5x scale
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.