Finding the Fourth Proportional to 88,596.97, 122,002.50 and 79,162.09
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Solution
The fourth proportional to 88,596.97, 122,002.50 and 79,162.09 is: 109,010.19
Step by Step Solution
- Step 1: Write the proportion equation
88,596.97 : 122,002.50 = 79,162.09 : x - Step 2: Convert to fraction form
88,596.97/122,002.50 = 79,162.09/x - Step 3: Cross multiply
88,596.97x = 122,002.50 × 79,162.09 - Step 4: Simplify right side
88,596.97x = 9,657,972,885.23 - Step 5: Solve for x
x = 9,657,972,885.23/88,596.97 - Step 6: Final answer
x = 109,010.19
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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.