Finding the Fourth Proportional to 75,817.62, 113,701.80 and 25,203.05
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Solution
The fourth proportional to 75,817.62, 113,701.80 and 25,203.05 is: 37,796.38
Step by Step Solution
- Step 1: Write the proportion equation
75,817.62 : 113,701.80 = 25,203.05 : x - Step 2: Convert to fraction form
75,817.62/113,701.80 = 25,203.05/x - Step 3: Cross multiply
75,817.62x = 113,701.80 × 25,203.05 - Step 4: Simplify right side
75,817.62x = 2,865,631,581.98 - Step 5: Solve for x
x = 2,865,631,581.98/75,817.62 - Step 6: Final answer
x = 37,796.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.