Finding the Fourth Proportional to 89,010.08, 122,834.16 and 49,266.08
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Solution
The fourth proportional to 89,010.08, 122,834.16 and 49,266.08 is: 67,987.33
Step by Step Solution
- Step 1: Write the proportion equation
89,010.08 : 122,834.16 = 49,266.08 : x - Step 2: Convert to fraction form
89,010.08/122,834.16 = 49,266.08/x - Step 3: Cross multiply
89,010.08x = 122,834.16 × 49,266.08 - Step 4: Simplify right side
89,010.08x = 6,051,557,553.29 - Step 5: Solve for x
x = 6,051,557,553.29/89,010.08 - Step 6: Final answer
x = 67,987.33
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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.