Finding the Fourth Proportional to 88,828.97, 122,578.75 and 48,543.03
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Solution
The fourth proportional to 88,828.97, 122,578.75 and 48,543.03 is: 66,986.53
Step by Step Solution
- Step 1: Write the proportion equation
88,828.97 : 122,578.75 = 48,543.03 : x - Step 2: Convert to fraction form
88,828.97/122,578.75 = 48,543.03/x - Step 3: Cross multiply
88,828.97x = 122,578.75 × 48,543.03 - Step 4: Simplify right side
88,828.97x = 5,950,343,999.29 - Step 5: Solve for x
x = 5,950,343,999.29/88,828.97 - Step 6: Final answer
x = 66,986.53
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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.