Finding the Fourth Proportional to 93,806.68, 129,451.93 and 51,365.21
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Solution
The fourth proportional to 93,806.68, 129,451.93 and 51,365.21 is: 70,883.28
Step by Step Solution
- Step 1: Write the proportion equation
93,806.68 : 129,451.93 = 51,365.21 : x - Step 2: Convert to fraction form
93,806.68/129,451.93 = 51,365.21/x - Step 3: Cross multiply
93,806.68x = 129,451.93 × 51,365.21 - Step 4: Simplify right side
93,806.68x = 6,649,324,793.68 - Step 5: Solve for x
x = 6,649,324,793.68/93,806.68 - Step 6: Final answer
x = 70,883.28
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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.