Finding the Fourth Proportional to 83,324.87, 115,041.98 and 74,356.96
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Solution
The fourth proportional to 83,324.87, 115,041.98 and 74,356.96 is: 102,660.48
Step by Step Solution
- Step 1: Write the proportion equation
83,324.87 : 115,041.98 = 74,356.96 : x - Step 2: Convert to fraction form
83,324.87/115,041.98 = 74,356.96/x - Step 3: Cross multiply
83,324.87x = 115,041.98 × 74,356.96 - Step 4: Simplify right side
83,324.87x = 8,554,170,958.19 - Step 5: Solve for x
x = 8,554,170,958.19/83,324.87 - Step 6: Final answer
x = 102,660.48
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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.