Finding the Fourth Proportional to 94,015.68, 129,750.97 and 53,735.23
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Solution
The fourth proportional to 94,015.68, 129,750.97 and 53,735.23 is: 74,159.95
Step by Step Solution
- Step 1: Write the proportion equation
94,015.68 : 129,750.97 = 53,735.23 : x - Step 2: Convert to fraction form
94,015.68/129,750.97 = 53,735.23/x - Step 3: Cross multiply
94,015.68x = 129,750.97 × 53,735.23 - Step 4: Simplify right side
94,015.68x = 6,972,197,756.96 - Step 5: Solve for x
x = 6,972,197,756.96/94,015.68 - Step 6: Final answer
x = 74,159.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.