Finding the Fourth Proportional to 88,521.99, 122,163.44 and 48,239.07
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Solution
The fourth proportional to 88,521.99, 122,163.44 and 48,239.07 is: 66,571.60
Step by Step Solution
- Step 1: Write the proportion equation
88,521.99 : 122,163.44 = 48,239.07 : x - Step 2: Convert to fraction form
88,521.99/122,163.44 = 48,239.07/x - Step 3: Cross multiply
88,521.99x = 122,163.44 × 48,239.07 - Step 4: Simplify right side
88,521.99x = 5,893,050,492.41 - Step 5: Solve for x
x = 5,893,050,492.41/88,521.99 - Step 6: Final answer
x = 66,571.60
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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.