Finding the Fourth Proportional to 75,445.83, 113,156.60 and 25,524.99
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Solution
The fourth proportional to 75,445.83, 113,156.60 and 25,524.99 is: 38,283.37
Step by Step Solution
- Step 1: Write the proportion equation
75,445.83 : 113,156.60 = 25,524.99 : x - Step 2: Convert to fraction form
75,445.83/113,156.60 = 25,524.99/x - Step 3: Cross multiply
75,445.83x = 113,156.60 × 25,524.99 - Step 4: Simplify right side
75,445.83x = 2,888,320,955.81 - Step 5: Solve for x
x = 2,888,320,955.81/75,445.83 - Step 6: Final answer
x = 38,283.37
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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.