Finding the Fourth Proportional to 88,402.04, 121,997.40 and 48,118.41
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Solution
The fourth proportional to 88,402.04, 121,997.40 and 48,118.41 is: 66,404.81
Step by Step Solution
- Step 1: Write the proportion equation
88,402.04 : 121,997.40 = 48,118.41 : x - Step 2: Convert to fraction form
88,402.04/121,997.40 = 48,118.41/x - Step 3: Cross multiply
88,402.04x = 121,997.40 × 48,118.41 - Step 4: Simplify right side
88,402.04x = 5,870,320,912.13 - Step 5: Solve for x
x = 5,870,320,912.13/88,402.04 - Step 6: Final answer
x = 66,404.81
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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.