Finding the Fourth Proportional to 94,126.24, 129,896.48 and 51,107.56
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Solution
The fourth proportional to 94,126.24, 129,896.48 and 51,107.56 is: 70,529.66
Step by Step Solution
- Step 1: Write the proportion equation
94,126.24 : 129,896.48 = 51,107.56 : x - Step 2: Convert to fraction form
94,126.24/129,896.48 = 51,107.56/x - Step 3: Cross multiply
94,126.24x = 129,896.48 × 51,107.56 - Step 4: Simplify right side
94,126.24x = 6,638,692,145.39 - Step 5: Solve for x
x = 6,638,692,145.39/94,126.24 - Step 6: Final answer
x = 70,529.66
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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.