Finding the Fourth Proportional to 73,472.24, 101,394.84 and 45,187.28
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Solution
The fourth proportional to 73,472.24, 101,394.84 and 45,187.28 is: 62,360.38
Step by Step Solution
- Step 1: Write the proportion equation
73,472.24 : 101,394.84 = 45,187.28 : x - Step 2: Convert to fraction form
73,472.24/101,394.84 = 45,187.28/x - Step 3: Cross multiply
73,472.24x = 101,394.84 × 45,187.28 - Step 4: Simplify right side
73,472.24x = 4,581,757,025.64 - Step 5: Solve for x
x = 4,581,757,025.64/73,472.24 - Step 6: Final answer
x = 62,360.38
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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.