Finding the Fourth Proportional to 75,237.75, 103,828.11 and 41,703.75
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Solution
The fourth proportional to 75,237.75, 103,828.11 and 41,703.75 is: 57,551.18
Step by Step Solution
- Step 1: Write the proportion equation
75,237.75 : 103,828.11 = 41,703.75 : x - Step 2: Convert to fraction form
75,237.75/103,828.11 = 41,703.75/x - Step 3: Cross multiply
75,237.75x = 103,828.11 × 41,703.75 - Step 4: Simplify right side
75,237.75x = 4,330,021,542.41 - Step 5: Solve for x
x = 4,330,021,542.41/75,237.75 - Step 6: Final answer
x = 57,551.18
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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.