Finding the Fourth Proportional to 75,969.93, 113,954.97 and 19,809.99
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Solution
The fourth proportional to 75,969.93, 113,954.97 and 19,809.99 is: 29,715.00
Step by Step Solution
- Step 1: Write the proportion equation
75,969.93 : 113,954.97 = 19,809.99 : x - Step 2: Convert to fraction form
75,969.93/113,954.97 = 19,809.99/x - Step 3: Cross multiply
75,969.93x = 113,954.97 × 19,809.99 - Step 4: Simplify right side
75,969.93x = 2,257,446,816.15 - Step 5: Solve for x
x = 2,257,446,816.15/75,969.93 - Step 6: Final answer
x = 29,715.00
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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.