Finding the Fourth Proportional to 75,954.67, 113,921.97 and 19,798.87
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Solution
The fourth proportional to 75,954.67, 113,921.97 and 19,798.87 is: 29,695.69
Step by Step Solution
- Step 1: Write the proportion equation
75,954.67 : 113,921.97 = 19,798.87 : x - Step 2: Convert to fraction form
75,954.67/113,921.97 = 19,798.87/x - Step 3: Cross multiply
75,954.67x = 113,921.97 × 19,798.87 - Step 4: Simplify right side
75,954.67x = 2,255,526,274.17 - Step 5: Solve for x
x = 2,255,526,274.17/75,954.67 - Step 6: Final answer
x = 29,695.69
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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.