Finding the Fourth Proportional to 73,362.75, 101,240.60 and 39,828.75
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Solution
The fourth proportional to 73,362.75, 101,240.60 and 39,828.75 is: 54,963.68
Step by Step Solution
- Step 1: Write the proportion equation
73,362.75 : 101,240.60 = 39,828.75 : x - Step 2: Convert to fraction form
73,362.75/101,240.60 = 39,828.75/x - Step 3: Cross multiply
73,362.75x = 101,240.60 × 39,828.75 - Step 4: Simplify right side
73,362.75x = 4,032,286,348.11 - Step 5: Solve for x
x = 4,032,286,348.11/73,362.75 - Step 6: Final answer
x = 54,963.68
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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.