Finding the Fourth Proportional to 75,520.52, 104,220.99 and 41,531.59
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Solution
The fourth proportional to 75,520.52, 104,220.99 and 41,531.59 is: 57,315.07
Step by Step Solution
- Step 1: Write the proportion equation
75,520.52 : 104,220.99 = 41,531.59 : x - Step 2: Convert to fraction form
75,520.52/104,220.99 = 41,531.59/x - Step 3: Cross multiply
75,520.52x = 104,220.99 × 41,531.59 - Step 4: Simplify right side
75,520.52x = 4,328,463,775.64 - Step 5: Solve for x
x = 4,328,463,775.64/75,520.52 - Step 6: Final answer
x = 57,315.07
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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.