Finding the Fourth Proportional to 91,324.22, 126,032.99 and 51,041.21
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Solution
The fourth proportional to 91,324.22, 126,032.99 and 51,041.21 is: 70,439.98
Step by Step Solution
- Step 1: Write the proportion equation
91,324.22 : 126,032.99 = 51,041.21 : x - Step 2: Convert to fraction form
91,324.22/126,032.99 = 51,041.21/x - Step 3: Cross multiply
91,324.22x = 126,032.99 × 51,041.21 - Step 4: Simplify right side
91,324.22x = 6,432,875,424.15 - Step 5: Solve for x
x = 6,432,875,424.15/91,324.22 - Step 6: Final answer
x = 70,439.98
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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.