Finding the Fourth Proportional to 84,805.79, 127,266.99 and 29,401.79
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Solution
The fourth proportional to 84,805.79, 127,266.99 and 29,401.79 is: 44,122.89
Step by Step Solution
- Step 1: Write the proportion equation
84,805.79 : 127,266.99 = 29,401.79 : x - Step 2: Convert to fraction form
84,805.79/127,266.99 = 29,401.79/x - Step 3: Cross multiply
84,805.79x = 127,266.99 × 29,401.79 - Step 4: Simplify right side
84,805.79x = 3,741,876,677.58 - Step 5: Solve for x
x = 3,741,876,677.58/84,805.79 - Step 6: Final answer
x = 44,122.89
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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.